Just wanted to check over these..

Question

"What is (–7)^5 in expanded form?

–7 • –7 • –7 • –7 • –7
–7 • 5
(–7) • 7 • (–7) • 7 • –7
5 • 5 • 5 • 5 • 5 • 5 • 5"

The answer is "–7 • –7 • –7 • –7 • –7", right?

Also:

"Which expression is equivalent to 4 • 4 • 4 • 4 • 4 • 4 • 4 • 4?

4 • 8
8^4
8 • 8
4^8"

4^8, right?

Answer 1

for the 1st, if those are your only choices, you are correct, most would prefer
(-7)(-7)(-7)(-7)(-7)