{"id":23940,"date":"2025-06-18T08:32:16","date_gmt":"2025-06-18T08:32:16","guid":{"rendered":"https:\/\/gaviki.com\/blog\/?p=23940"},"modified":"2025-06-18T08:32:18","modified_gmt":"2025-06-18T08:32:18","slug":"find-the-value-of-21-18-%c3%b7-3-%c2%b7-2","status":"publish","type":"post","link":"https:\/\/gaviki.com\/blog\/find-the-value-of-21-18-%c3%b7-3-%c2%b7-2\/","title":{"rendered":"Find the value of 21 &#8211; 18 \u00f7 3 \u00b7 2"},"content":{"rendered":"\n<p>Find the value of 21 &#8211; 18 \u00f7 3 \u00b7 2.<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\"><strong>The correct answer and explanation is:<\/strong><\/mark><\/p>\n\n\n\n<p>Let&#8217;s solve the expression step-by-step:<\/p>\n\n\n\n<p><strong>Expression:<\/strong><br>21 &#8211; 18 \u00f7 3 \u00b7 2<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Understand the order of operations (PEMDAS\/BODMAS)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Parentheses\/Brackets<\/li>\n\n\n\n<li>Exponents\/Orders<\/li>\n\n\n\n<li>Multiplication and Division (from left to right)<\/li>\n\n\n\n<li>Addition and Subtraction (from left to right)<\/li>\n<\/ul>\n\n\n\n<p>Here, there are no parentheses or exponents, so we handle division and multiplication first, from left to right.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Perform division and multiplication from left to right<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The division: 18 \u00f7 3 = 6<\/li>\n\n\n\n<li>Now multiply the result by 2: 6 \u00b7 2 = 12<\/li>\n<\/ul>\n\n\n\n<p>So, the middle part <strong>18 \u00f7 3 \u00b7 2<\/strong> simplifies to <strong>12<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Substitute back into the expression<\/h3>\n\n\n\n<p>Now the expression is:<br>21 &#8211; 12<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 4: Perform subtraction<\/h3>\n\n\n\n<p>21 &#8211; 12 = 9<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Final answer: 9<\/strong><\/h3>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation in detail<\/h3>\n\n\n\n<p>Mathematical expressions must be evaluated using the correct order of operations to avoid ambiguity. This order ensures everyone solves problems the same way. The acronym PEMDAS or BODMAS helps us remember:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>P\/B:<\/strong> Parentheses or brackets first<\/li>\n\n\n\n<li><strong>E\/O:<\/strong> Exponents or orders (powers and roots) next<\/li>\n\n\n\n<li><strong>MD:<\/strong> Multiplication and division are next and are equal in priority \u2014 solve them as they appear from left to right<\/li>\n\n\n\n<li><strong>AS:<\/strong> Finally, addition and subtraction, also solved left to right.<\/li>\n<\/ul>\n\n\n\n<p>In the expression 21 &#8211; 18 \u00f7 3 \u00b7 2, no parentheses or exponents exist. So you handle division and multiplication first:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Divide 18 by 3, yielding 6.<\/li>\n\n\n\n<li>Multiply 6 by 2, yielding 12.<\/li>\n<\/ul>\n\n\n\n<p>Once all division and multiplication are done, the only remaining operation is subtraction: 21 &#8211; 12 = 9.<\/p>\n\n\n\n<p>If you tried to multiply 3 by 2 first before dividing, you&#8217;d get a different answer, which would be incorrect because multiplication and division must be handled from left to right, not simply multiplication before division.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Summary:<\/strong><br>Correctly applying the order of operations gives the answer <strong>9<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Find the value of 21 &#8211; 18 \u00f7 3 \u00b7 2. The correct answer and explanation is: Let&#8217;s solve the expression step-by-step: Expression:21 &#8211; 18 \u00f7 3 \u00b7 2 Step 1: Understand the order of operations (PEMDAS\/BODMAS) Here, there are no parentheses or exponents, so we handle division and multiplication first, from left to right. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-23940","post","type-post","status-publish","format-standard","hentry","category-quiz-questions"],"_links":{"self":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/23940","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/comments?post=23940"}],"version-history":[{"count":1,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/23940\/revisions"}],"predecessor-version":[{"id":23941,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/23940\/revisions\/23941"}],"wp:attachment":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/media?parent=23940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/categories?post=23940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/tags?post=23940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}