{"id":10656,"date":"2012-10-20T17:16:59","date_gmt":"2012-10-20T16:16:59","guid":{"rendered":"https:\/\/www.acasinhadamatematica.pt\/?p=10656"},"modified":"2022-01-01T12:25:44","modified_gmt":"2022-01-01T12:25:44","slug":"verdadeiro-ou-falso-2","status":"publish","type":"post","link":"https:\/\/www.acasinhadamatematica.pt\/?p=10656","title":{"rendered":"Verdadeiro ou falso?"},"content":{"rendered":"<p><ul id='GTTabs_ul_10656' class='GTTabs' style='display:none'>\n<li id='GTTabs_li_0_10656' class='GTTabs_curr'><a  id=\"10656_0\" onMouseOver=\"GTTabsShowLinks('Enunciado'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Enunciado<\/a><\/li>\n<li id='GTTabs_li_1_10656' ><a  id=\"10656_1\" onMouseOver=\"GTTabsShowLinks('Resolu\u00e7\u00e3o'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Resolu\u00e7\u00e3o<\/a><\/li>\n<\/ul>\n\n<div class='GTTabs_divs GTTabs_curr_div' id='GTTabs_0_10656'>\n<span class='GTTabs_titles'><b>Enunciado<\/b><\/span><\/p>\n<p>Verdadeiro ou falso? Corrige as falsas.<\/p>\n<ol style=\"list-style-type: upper-alpha;\">\n<li>A pot\u00eancia\u00a0${\\left( { &#8211; 5} \\right)^4}$ representa um n\u00famero negativo, porque a base \u00e9 negativa.<\/li>\n<li>A pot\u00eancia ${\\left( { &#8211; 7} \\right)^2}$\u00a0representa um n\u00famero positivo, porque o expoente \u00e9 par.<\/li>\n<li>Quando a base de uma pot\u00eancia \u00e9 negativa, essa pot\u00eancia representa sempre um n\u00famero negativo.<\/li>\n<li>A pot\u00eancia ${\\left( { &#8211; 3} \\right)^5}$ representa um n\u00famero negativo, porque o expoente \u00e9 \u00edmpar e a base \u00e9 negativa.<\/li>\n<\/ol>\n<p><div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_next'><a href='#GTTabs_ul_10656' onClick='GTTabs_show(1,10656)'>Resolu\u00e7\u00e3o &gt;&gt;<\/a><\/span><\/div><\/div>\n\n<div class='GTTabs_divs' id='GTTabs_1_10656'>\n<span class='GTTabs_titles'><b>Resolu\u00e7\u00e3o<\/b><\/span><!--more--><\/p>\n<ol style=\"list-style-type: upper-alpha;\">\n<li>A pot\u00eancia ${\\left( { &#8211; 5} \\right)^4}$ representa um n\u00famero negativo, porque a base \u00e9 negativa.<br \/>\nA afirma\u00e7\u00e3o \u00e9 falsa, j\u00e1 que a pot\u00eancia representa um n\u00famero positivo, pois, ainda que a base seja negativa, o expoente \u00e9 par.<\/p>\n<p>&#8220;A pot\u00eancia ${\\left( { &#8211; 5} \\right)^4}$ representa um n\u00famero positivo, porque, ainda que\u00a0a base seja negativa, o expoente \u00e9 par.&#8221;<br \/>\n\u00ad<\/p>\n<\/li>\n<li>A pot\u00eancia ${\\left( { &#8211; 7} \\right)^2}$ representa um n\u00famero positivo, porque o expoente \u00e9 par.<br \/>\nA afirma\u00e7\u00e3o \u00e9 verdadeira.<br \/>\n\u00ad<\/li>\n<li>Quando a base de uma pot\u00eancia \u00e9 negativa, essa pot\u00eancia representa sempre um n\u00famero negativo.<br \/>\nA afirma\u00e7\u00e3o \u00e9 falsa.<\/p>\n<p>&#8220;Quando a base de uma pot\u00eancia \u00e9 negativa, essa pot\u00eancia representa um n\u00famero negativo se o expoente \u00e9 \u00edmpar e um n\u00famero positivo se o expoente \u00e9 par.&#8221;<br \/>\n\u00ad<\/p>\n<\/li>\n<li>A pot\u00eancia ${\\left( { &#8211; 3} \\right)^5}$ representa um n\u00famero negativo, porque o expoente \u00e9 \u00edmpar e a base \u00e9 negativa.<br \/>\nA afirma\u00e7\u00e3o \u00e9 verdadeira.<\/li>\n<\/ol>\n<div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_prev'><a href='#GTTabs_ul_10656' onClick='GTTabs_show(0,10656)'>&lt;&lt; Enunciado<\/a><\/span><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Enunciado Resolu\u00e7\u00e3o Enunciado Verdadeiro ou falso? Corrige as falsas. A pot\u00eancia\u00a0${\\left( { &#8211; 5} \\right)^4}$ representa um n\u00famero negativo, porque a base \u00e9 negativa. A pot\u00eancia ${\\left( { &#8211; 7} \\right)^2}$\u00a0representa um n\u00famero positivo,&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":19269,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[317,97,318],"tags":[428,142],"series":[],"class_list":["post-10656","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-7-o-ano","category-aplicando","category-numeros-inteiros","tag-7-o-ano","tag-potencias"],"views":2875,"jetpack_featured_media_url":"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2021\/12\/Mat90.png","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/10656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10656"}],"version-history":[{"count":0,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/10656\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/media\/19269"}],"wp:attachment":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10656"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=10656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}