Question

What is 4^3 times 4^-5
A. 4^-15
B. 4^-2
C. 4^2
D. 4^8

Answer 1

4^3=4*4*4=64
4^-5
=
`image`=
`(1)/(4^(5) )`
=
`(1)/(1024)`
==
`(1)/(1024)`*64 =
`(1)/(16)`

`(1)/(16)` Decimal: 0.0625 is your answer.