Describe the result of adding a large positive number and a smaller negative
number Answer\u2713\u2713 result is smaller positive number, same as ignoring the signs
and subtracting smaller number
How do you convert a fraction into a decimal? Answer\u2713\u2713 Divide the top number
by bottom number
What is the key step in order to add or subtract unlike fractions Answer\u2713\u2713 finding
the lowest common denominator
How do you divide one fraction by another Answer\u2713\u2713 Invert divisor (flip over the
second fraction) and multiply both numerators and denominators (top and bottom
numbers)
How can you convert a decimal into a percent Answer\u2713\u2713 Multiply decimal by
100 and add % sign, or move decimal TWO places to the RIGHT and add %
How do you convert a fraction to a percent Answer\u2713\u2713 Convert to decimal, move
decimal two places to the right, add %
How do you change a decimal to nearest equivalent fraction Answer\u2713\u2713 Multiply
decimal by desired denominator, result becomes numerator of fraction (try to get
closest to whole number)
Two different ways a ratio can be expressed? Answer\u2713\u2713 1- as a fraction
2- placing a colon between the numbers (5:54)
3- using the word “to” between the numbers
What is a proportion? Answer\u2713\u2713 a statement of equality (=) between two or more
ratios: 1\/2 = 4\/8, 45\/90 = x\/100
What is meant by the root of a number? Answer\u2713\u2713 A root is two or more equal
smaller numbers that when multiplied equal the specified number: the second
(square) root of 9 is 3, the fifth root of 32 is 2
How do you find the square of a number? Give an example. Answer\u2713\u2713 multiply
the number times itself- 4 X 4=16, 10 X 10= 100
What is a common method of making computations involving very large or very
small numbers more manageable? Answer\u2713\u2713 Convert the numbers into scientific
notation by using powers of 10. (7,234,000= 7.234 X 10^6)
How is 100,000 expressed as a power of 10? Answer\u2713\u2713 10 to the fifth
what formula is used to find the area of a rectangle? Answer\u2713\u2713 A=L(length) X
W(width)
Area of a triangle? Answer\u2713\u2713 1\/2 X B (base) X H (height)
Define Pi Answer\u2713\u2713 A constant that expresses the relationship between
circumference and diameter of a circle, approximately 3.14159 (number of times
the diameter goes into the circumference)
Describe a trapezoid Answer\u2713\u2713 A trapezoid is a closed, four-sided figure having
two parallel sides and two sides that are not parallel.
What is the formula for the area of a circle? Answer\u2713\u2713 A = Pi X Radius squared
(radius is half diameter)
Define matter Answer\u2713\u2713 Any substance that occupies space and has mass
Name three states of matter Answer\u2713\u2713 Solid, Liquid, gas
Define kinetic energy Answer\u2713\u2713 the energy of motion
Work is the product of what two factors? Answer\u2713\u2713 Force and distance moved
(W = F X D)
What are the parts of a lever: Answer\u2713\u2713 A rigid bar and a pivot point called the
fulcrum
A wheelbarrow is what class of lever? Answer\u2713\u2713 second class (first class: see\u0002saw, third class: tweezers)
Are all three states of matter affected by thermal expansion? If so, which is
affected most? Answer\u2713\u2713 All three are affected, gases are affected the most
What is a British Thermal Unit? Answer\u2713\u2713 The amount of heat energy required
to change the temperature of 1 pound of water 1 degree Fahrenheit
Three methods of heat transfer? Answer\u2713\u2713 Conduction, convection, radiation
What term defines the temperature at which all molecular activity stops?
Answer\u2713\u2713 Absolute zero
Can liquids be compressed? Answer\u2713\u2713 No, liquids are generally considered
incompressible
What are the units used to express hydraulic or pneumatic pressure Answer\u2713\u2713
Pounds per square inch (PSI)
Describe how pressure is transmitted when a force is applied to a confined liquid
Answer\u2713\u2713 Pressure is transmitted equally in all directions
What formula expresses the relationship between force, pressure, and area
Answer\u2713\u2713 Force = Area X Pressure (F over A I P)
What is the approximate speed of sound at sea level on a standard day?
Answer\u2713\u2713 661 knots or 340 meters per second
What is the atmospheric pressure at sea level on a standard day? Answer\u2713\u2713 29.92
inches mercury or 1013.2 millibars
On a standard day at sea level, what is temperature? Answer\u2713\u2713 59 degrees
Fahrenheit, 15 Celsius<\/p>\n","protected":false},"excerpt":{"rendered":"
Describe the result of adding a large positive number and a smaller negativenumber Answer\u2713\u2713 result is smaller positive number, same as ignoring the signsand subtracting smaller numberHow do you convert a fraction into a decimal? Answer\u2713\u2713 Divide the top numberby bottom numberWhat is the key step in order to add or subtract unlike fractions Answer\u2713\u2713 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-119984","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/119984","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=119984"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/119984\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=119984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=119984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=119984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}