Question

4 power minus x is equals to 64​

Answer 1

Answer:

4^-x=64

4^-x=4^3

we know that if a^m=a^n then m=n

by this ,

-x=3

X=-3

Answer 2

Here us your answer...

${4}^{ - x} = 64 \\ 4^{ - x} = 4^{3} \\ since \: bases \: are \: equal \\ the \: above \: equation \: can \: be \: written \: as \\ - x = 3 \\ x = -3$

Hope it helps...