Question

WILL GIVE 20 POINTS

Write the expression 44(4–7)(4) using a single exponent.

A) 4^–28

B) 4^–4

C) 4^–3

D) 4^–2

Answer 1

D) 4^-2

Explanation:

Given: 4^4*4^-7*4

If the base is the same, we can add the powers.

a^m * a^n = a^(m + n)

4^4*4^-7*4 = 4^(4 - 7 + 1)

= 4^(5 - 7)

= 4^-2

Answer: D) 4^-2

Hope this will helpful.

Thank you.