1 Answer

BrownChiLD · Answer 1 · 2017-04-17T01:33:44+0000

This is the whole equation you need to use here:
x^-m = 1/x^m
Also, x^1/m = √x

So, let us apply this equation here:
49^-1/2 = 1/49^1/2
1/√49 =
1/7

So the simplified answer is 1/7.

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