{"id":233592,"date":"2025-06-13T08:41:38","date_gmt":"2025-06-13T08:41:38","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=233592"},"modified":"2025-06-13T08:41:41","modified_gmt":"2025-06-13T08:41:41","slug":"which-of-the-measurements-contain-four-significant-figures","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/06\/13\/which-of-the-measurements-contain-four-significant-figures\/","title":{"rendered":"Which of the measurements contain four significant figures"},"content":{"rendered":"\n<p>Which of the measurements contain four significant figures? 0.0100 3957 D L.000 x 10-3 5000 0 0.000 \/ D 5.x 104<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p><strong>Correct Answer: 3957<\/strong><br>This number contains <strong>four significant figures<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Explanation<\/strong><\/h3>\n\n\n\n<p>In scientific measurements, <strong>significant figures<\/strong> (also called significant digits) are the meaningful digits in a number that contribute to its precision. Knowing how to identify them is crucial in science and mathematics, as it reflects the accuracy of measurements and calculations.<\/p>\n\n\n\n<p>Let us evaluate each given measurement:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>0.0100<\/strong>\n<ul class=\"wp-block-list\">\n<li>Leading zeros (zeros before the first non-zero digit) are not significant.<\/li>\n\n\n\n<li>Only the digits &#8220;1&#8221;, &#8220;0&#8221;, and &#8220;0&#8221; after the decimal point are significant.<\/li>\n\n\n\n<li><strong>Significant figures = 3<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>3957<\/strong>\n<ul class=\"wp-block-list\">\n<li>All non-zero digits are significant.<\/li>\n\n\n\n<li>There are no leading or trailing zeros without a decimal, so all four digits count.<\/li>\n\n\n\n<li><strong>Significant figures = 4<\/strong> \u2705<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>0.000 x 10\u207b\u00b3<\/strong>\n<ul class=\"wp-block-list\">\n<li>The digits shown are only zeros; no non-zero digits are present.<\/li>\n\n\n\n<li>This is <strong>not a valid measurement<\/strong>, and it does <strong>not contain significant figures<\/strong>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>5000<\/strong>\n<ul class=\"wp-block-list\">\n<li>Without a decimal point, trailing zeros are <strong>not considered significant<\/strong>.<\/li>\n\n\n\n<li>Only the &#8220;5&#8221; is significant.<\/li>\n\n\n\n<li><strong>Significant figures = 1<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>0.000 \/ D<\/strong>\n<ul class=\"wp-block-list\">\n<li>This is not a valid numerical expression.<\/li>\n\n\n\n<li>No digits or values are presented for analysis.<\/li>\n\n\n\n<li><strong>Significant figures = 0 (invalid)<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>5. x 10\u2074<\/strong>\n<ul class=\"wp-block-list\">\n<li>The presence of a decimal point after the number \u201c5.\u201d makes that digit significant.<\/li>\n\n\n\n<li>However, there\u2019s only one digit before the exponent.<\/li>\n\n\n\n<li><strong>Significant figures = 1<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Conclusion:<\/strong><\/h3>\n\n\n\n<p>Out of all the given measurements, <strong>only \u201c3957\u201d contains four significant figures<\/strong>. This is because it consists of four non-zero digits, all of which are significant. In contrast, the others either have fewer significant digits, contain no measurable digits, or are invalid expressions.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-278.jpeg\" alt=\"\" class=\"wp-image-233593\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Which of the measurements contain four significant figures? 0.0100 3957 D L.000 x 10-3 5000 0 0.000 \/ D 5.x 104 The Correct Answer and Explanation is: Correct Answer: 3957This number contains four significant figures. Explanation In scientific measurements, significant figures (also called significant digits) are the meaningful digits in a number that contribute to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","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-233592","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/233592","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=233592"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/233592\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=233592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=233592"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=233592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}