Question

Which expression is equivalent to (
`(1)/(16) ^(-4)`

A. (-16)^4
B. 16^4
C.
`^(4) \sqrt{} (1)/(16)`
D. -(1/16)
`^(4)`

Answer 1

`a^(-n)=\left((1)/(a)\right)^n\\\\therefore\\\\\left((1)/(16)\right)^(-4)=\left((1)/((1)/(16))\right)^4=16^4`

Answer: B. 16^4.