Question

Help me answer this question please. :) a picture is attached below.

Answer 1

- 7
`x^(6)`
`y^(9)`

Explanation:

using the rule of exponents

`a^(m)` ×
`a^(n)` =
`a^((m+n))`

given

- 7x³
`y^(5)` (x³
`y^(4)`)

= - 7 × x³ ×x³ ×
`y^(5)` ×
`y^(4)`

= - 7 ×
`x^((3+3))` ×
`y^((5+4))`

= - 7
`x^(6)`
`y^(9)`