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the value 5^-2 is

a) -1/25    b) 1/25    c) -10    d) -25

 Mar 22, 2015

Best Answer 

 #2
avatar+1904 
+5

$${{\mathtt{5}}}^{-{\mathtt{2}}}$$

 

$${\frac{{\mathtt{1}}}{{{\mathtt{5}}}^{{\mathtt{2}}}}}$$

 

$${\frac{{\mathtt{1}}}{\left({\mathtt{5}}{\mathtt{\,\times\,}}{\mathtt{5}}\right)}}$$

 

$${\frac{{\mathtt{1}}}{{\mathtt{25}}}}$$

.
 Mar 22, 2015
 #1
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the answer is b)1/25

 Mar 22, 2015
 #2
avatar+1904 
+5
Best Answer

$${{\mathtt{5}}}^{-{\mathtt{2}}}$$

 

$${\frac{{\mathtt{1}}}{{{\mathtt{5}}}^{{\mathtt{2}}}}}$$

 

$${\frac{{\mathtt{1}}}{\left({\mathtt{5}}{\mathtt{\,\times\,}}{\mathtt{5}}\right)}}$$

 

$${\frac{{\mathtt{1}}}{{\mathtt{25}}}}$$

gibsonj338 Mar 22, 2015

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