Question

Simplify 49 to the negative 1/2 power

Answer 1

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.