*This question is included in Nova Math - Diagnostic: Test / Review, question #10

The solution is

Posted: 01/03/2012 15:20
Hi, my itouch cuts of part of the solution, could you rewrite the formula?
Posted: 01/03/2012 16:29
Oh I know right
Posted: 01/03/2012 15:36

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Posted: 12/04/2012 16:15
(4^x)^2=4^(x*2)=4^2x=2^4x. (A)
Posted: 09/15/2013 18:20
Shouldnt be the x also ^2?
Posted: 09/19/2013 16:15
Karin, no, not really. When you raise 4^x to the power of n, the result is 4^(x*n). So, if n=2, or you are squaring 4^x, you get 4^2x.
Posted: 10/25/2015 08:15
I can,t understand why the correct answer is a

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