Question

Can anybody help me with the question please

Answer 1

27
`x^(4)`
`y^(5)`

Explanation:

Using the rule of exponents

`a^(m)` ×
`a^(n)` ⇔
`a^((m+n))`

Given

9x
`y^(4)` × 3x³y

= 9 × 3 × x × x³ ×
`y^(4)` × y

= 27 ×
`x^(((1+3))` ×
`y^((4+1))`

= 27
`x^(4)`
`y^(5)`

Answer 2

27
`x^(4\\)`
`y^(5)`

Explanation:

27 x^4 y ^5