Question

What is the value of 1 over 2^-2 x^-3 y^5 for x = 2 and y = -4?

Answer 1

substitute

Answer 2

I don't know how to do this at all..

Answer 3

ok look

Answer 4

you have this
2^-2 x^-3 y^5
now x= 2 and y = -4
2^-2 (2)^-3 (-4)^5
=1/4. 1/8. (-1024)
= -1024/32
do it