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avatar+870 

What is: $${\mathtt{\,-\,}}{{\mathtt{4}}}^{{\mathtt{2}}}{\mathtt{\,\small\textbf+\,}}{\mathtt{5}}$$

 Apr 30, 2015

Best Answer 

 #3
avatar+1694 
+5

$${\mathtt{\,-\,}}{{\mathtt{4}}}^{{\mathtt{2}}}{\mathtt{\,\small\textbf+\,}}{\mathtt{5}} = -{\mathtt{11}}$$

 

$${\left(-{\mathtt{4}}\right)}^{{\mathtt{2}}}{\mathtt{\,\small\textbf+\,}}{\mathtt{5}} = {\mathtt{21}}$$

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 Apr 30, 2015
 #1
avatar
0

-11.............................

 Apr 30, 2015
 #2
avatar+870 
+5

Exactly. (-4)²=16 but -4²=-16, so -4²+5=-16+5=-11.

 Apr 30, 2015
 #3
avatar+1694 
+5
Best Answer

$${\mathtt{\,-\,}}{{\mathtt{4}}}^{{\mathtt{2}}}{\mathtt{\,\small\textbf+\,}}{\mathtt{5}} = -{\mathtt{11}}$$

 

$${\left(-{\mathtt{4}}\right)}^{{\mathtt{2}}}{\mathtt{\,\small\textbf+\,}}{\mathtt{5}} = {\mathtt{21}}$$

civonamzuk Apr 30, 2015

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