Question

URGENT HELP MATH HOMEWORK DUE IN LIKE 2 MINUTES!!!1

Answer 1

Dantes mistake is that he mutiplied the exponents which has the same base so you can add it. The answer should be
`5^(7)`.

Alex mistake is that he didnt subtract so it should be
`8^(3) - (-8^(-2))` and then you subtract the exponents and get
`8^(5)`

Explanation: