Question

PLEASE HELP ME I DONT UNDERSTAND

Answer 1

c =
`(1)/(4)`

Explanation:

using the rules of exponents

`a^(m)` ×
`a^(n)` =
`a^((m + n))`

`a^(-m)` =
`(1)/(a^(m) )`

then

`2^(-4)` × 2² =
`2^((-4+2))` =
`2^(-2)` =
`(1)/(2^(2) )` =
`(1)/(4)` = c