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Released: Jun 18, 2021 11:55 PM Your quiz has been submitted successfully. 3 / 3 points Which of the following is an observation? Question options: The universe began as a cosmic explosion called the Big Bang. Matter is made of atoms. A body in motion stays in motion unless acted upon by force. Hide Feedback Great! This topic is discussed in Chapter 1 in the text. This is the scientific method. 3 / 3 points I have decided to jump off the tallest peak on my house into a swimming pool. The tallest peak is 7.3 meters. How high is this in feet? Question options: 33 18 97 13 Hide Feedback Good. This is a basic conversion problem. Discussed in Chapter 1 in the text. 0 / 3 points A room has dimensions of 8.00 ft × 12.0 ft × 16.0 ft. What is the volume of the room in yd3 ? (1 yd = 3 ft) Question options: The star closest to Earth is moving away from Earth at high speed. 24 g 4.14 x 104 yd3 1.34 x 108 yd3 56.9 yd3 4.61 x 103 yd3 Hide Feedback This is a basic conversion problem, but with using exponents. Discussed in Chapter 1 in the text. 3 / 3 points The mass of a single copper atom is 1.055 × 10-22 g. This is the same mass as: Question options: g g g A sailor circumnavigated the earth and covered 4,264,000 meters. Express this number in standard scientific notation. Question options: 4.264 × 10-7 m none of the above 4.264 × 106 m All of the zeroes are significant. 4.264 × 10-6 m 4.264 × 107 m Hide Feedback Great! Scientific notation is discussed in Chapter 1. 3 / 3 points For the number 204012.305, which of the zeroes are considered significant? Question options: Only the zero after the 2 Only the zero after the 4 Only the zero after the 3 Hide Feedback Great! Significant figures are discussed in Chapter 1. 3 / 3 points Over-the-counter ibuprofen pain medication typically contains 200 mg capsules. Which of these is the equivalent mass of ibuprofen in grams? Question options: 200 x 10-1 g 200 x 103 g 200 x 10-3 g 200 x 10-6 g 200 x 106 g Hide Feedback Good. This is a basic prefix conversion problem. This topic is discussed in Chapter 1. 0 / 3 points ' Which of these represents a physical property? Question options: n of grilled cheese (now that's a fun experiment!) rrosive) action of sodium hydroxide on aluminum dium chloride ove Which measurement of water below is equivalent to one cubic centimeter? Question options: 1 mL 1 cc 1 cm3 none of the above Hide Feedback Good. The topic is discussed in Chapter 1. il all of the above 3 3 / 3 points How many significant figures will be in the final answer of this calculation? 2.15 × 11.2 ÷ 0.8765 = ________ Question options: 4 6 11 none of the above Hide Feedback
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