Question

Write the expression 4^4(4^-7)(4) using a single

exponent.
4^-28
4^-4
4^-3
4^-2

Answer 1

4^(-2)

Explanation:

4^4(4^-7)(4)

We know that a^b * a^c = a^(b+c)

4^4(4^-7)(4^1)

4^(4+-7+1)

4^(-2)