Help me please just do the one about sebastian please!

Question

asked Oct 10, 2021 70.2k views

1 Answer

Nikki Mather · Answer 1 · 2021-10-15T14:48:10+0000

Answer:

Correct Answer: 512

Explanation:

8^7 ·
8^(-4) ·
4^0

Multiply
8^7 by
8^-4 by adding the exponents.

Use the power rule
a^m a^n=a^(m+n) to combine exponents.

8^(7-4) ·
4^0

subtract 4 from 7

8^(3) ·
4^0

Simplify
8^(3) ·
4^0 ←

8^(3) · 1 ←

Raise 8 to the power of 3

512

Sabastien didn't simplify correctly, he Raised 4 to the power of 0 and turned the 1 into 0. which was incorrect. where the outcome should've been 1.