Question

What is the value of this expression 4to the power of 2 times 4 to the power of negative 3

Answer 1

4^2*4^-3

16- .016 (taken from a fraction into a decimal and rounded to the nearest tenth)

16.984 is your answer.

I hope this helped you!

Answer 2

I would use indices. 
If the two of the same base is multiplied, just add the powers.

So 2 + (-3) = -1

Therefore, the answer is 4^(-1) or 1/4

THIS should be the right answer. :)