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How do you express 5^17+5^17+5^17+5^17+5^17 as a power of 5? ~ Mellissa

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 Aug 27, 2017
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 5^17+5^17+5^17+5^17+5^17

 

Note that what we really have is

 

5 *  5^17      or......put another way....

 

5^1  *  5^17         and remember that  a^m  * a^n  =  a^(m + n)

 

And we can write

 

5^1 * 5^17   =  5^( 1 + 17)   =   5^18

 

 

 

cool cool cool

 Aug 27, 2017

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