Question

PLEASE HELP ITS HARD

Answer 1

- 8a²

Explanation:

using the rule of exponents

`(a^(m) )/(a^(n) )` =
`a^((m - n))`

given

`(80a^9)/(-10a^7)`

=
`(80)/(-10)` ×
`a^((9-7))`

= - 8 × a²

= - 8a²