Question

Help me please just do the one about sebastian please!

Answer 1

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.