Answer:
7.1 feet
Step-by-step explanation:
The Answer is A.
I just took the test. ༼ つ ◕_◕ ༽つ
(7^5 * 7^3)^4 * 7^-2 / 7^-7 * 7^20
= (7^8)^4 * 7^-2 / 7^(-7 + 20)
= 7^32 * 7^-2 / 7^13
= 7^(32 - 2) / 7^13
= 7^30 / 7^13
= 7^(30 - 13)
= 7^17
