{"id":155,"date":"2012-01-03T15:32:36","date_gmt":"2012-01-03T15:32:36","guid":{"rendered":"https:\/\/schooltutoring.com\/scholarship\/?p=155"},"modified":"2014-12-02T08:33:51","modified_gmt":"2014-12-02T08:33:51","slug":"rules-of-exponents","status":"publish","type":"post","link":"https:\/\/schooltutoring.com\/scholarship\/2012\/01\/03\/rules-of-exponents\/","title":{"rendered":"Rules of Exponents"},"content":{"rendered":"<p>The exponent of a number tells how many times the number is to be multiplied by itself. An exponent can be both positive and negative. It is commonly called as power or index.<\/p>\n<p>In general,<\/p>\n<p>a<sup>n<\/sup> = a \u00d7 a \u00d7 a \u00d7 a\u2026\u2026n times<\/p>\n<p>where, a is base and n is exponent (power or index)<\/p>\n<p>While solving expression involving exponent the below rules are followed:<\/p>\n<p><strong>Rule 1<\/strong>: x<sup>m<\/sup>x<sup>n<\/sup> = x<sup>m+n<\/sup><\/p>\n<p>While multiplication, if the bases are same the exponents get added.<\/p>\n<p><span style=\"text-decoration: underline\">Example<\/span>: 2<sup>3<\/sup>2<sup>5<\/sup> = 2<sup>(3 + 5)<\/sup> = 2<sup>8<\/sup><\/p>\n<p><strong>Rule 2<\/strong>: x<sup>m<\/sup>\/x<sup>n<\/sup> = x<sup>m \u2013 n<\/sup><\/p>\n<p>While division, if the bases are same the exponents get subtracted.<\/p>\n<p><span style=\"text-decoration: underline\">Example<\/span>: 3<sup>8<\/sup>\/3<sup>2<\/sup> = 3<sup>(8 \u2013 2)<\/sup> = 3<sup>6<\/sup><\/p>\n<p><strong>Rule 3<\/strong>: (x<sup>m<\/sup>)<sup>n<\/sup> = x<sup>mn<\/sup><\/p>\n<p>If the exponential expression is raised to another exponent, the two exponents get multiplied.<\/p>\n<p><span style=\"text-decoration: underline\">Example<\/span>: (5<sup>2<\/sup>)<sup>3<\/sup> = 5<sup>2 <\/sup><sup>\u00d7 <\/sup><sup>3<\/sup> = 5<sup>6<\/sup><\/p>\n<p><strong>Rule 4<\/strong>: <span>x<sup>n<\/sup>y<sup>n <\/sup>= (xy)<sup>n<\/sup><\/span><\/p>\n<p>While multiplication, if different bases have same exponent their product can be raised to the exponent.<\/p>\n<p><span style=\"text-decoration: underline\">Example<\/span>: (2\u00d73)<sup>5<\/sup> = 2<sup>5<\/sup> \u00d7 3<sup>5<\/sup> = (2 \u00d7 2 \u00d7 2 \u00d7 2 \u00d7 2) \u00d7 (3 \u00d7 3 \u00d7 3 \u00d7 3 \u00d7 3)<\/p>\n<p><strong>Rule 5<\/strong>: x<sup>n<\/sup>\/y<sup>n<\/sup> = (x\/y)<sup>n<\/sup><\/p>\n<p>While division, if different bases have the same exponent the quotient is raised to the exponent.<\/p>\n<p><span style=\"text-decoration: underline\">Example<\/span>: (4\/3)<sup>2<\/sup> = 4<sup>2<\/sup>\/3<sup>2 <\/sup>= (4 \u00d7 4) \u00f7 (3 \u00d7 3)<\/p>\n<p><strong>Rule 6<\/strong>: x<sup>-n<\/sup> = 1\/x<sup>n<\/sup><\/p>\n<p>A negative exponent means reciprocal of positive exponent.<\/p>\n<p><span style=\"text-decoration: underline\">Example<\/span>: 9<sup>-3<\/sup> = 1\/9<sup>3<\/sup><\/p>\n<p><strong>Rule 7<\/strong>: x<sup>0<\/sup> = 1<\/p>\n<p>Any number or variable raised to power 0 is always 1.<\/p>\n<p><span style=\"text-decoration: underline\">Example<\/span>: 5<sup>0<\/sup> = 1<\/p>\n<p>A<sup>0<\/sup> = 1<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The exponent of a number tells how many times the number is to be multiplied by itself. An exponent can be both positive and negative. It is commonly called as power or index. In general, an = a \u00d7 a \u00d7 a \u00d7 a\u2026\u2026n times where, a is base and n is exponent (power or [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[13],"tags":[634,1086,1372,1576,1692],"class_list":["post-155","post","type-post","status-publish","format-standard","hentry","category-pre-algebra","tag-exponents","tag-math","tag-prealgebra","tag-rulesofexponents","tag-solvingexponents"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/posts\/155","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/comments?post=155"}],"version-history":[{"count":0,"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/posts\/155\/revisions"}],"wp:attachment":[{"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/media?parent=155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/categories?post=155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/tags?post=155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}