Question

How do you simplify `(11y) * 5`?

Answer 1

`(11y)*5 = 55y`

Explanation:

`11y` means `11xxy`

`(11y)*5` means `11xxyxx5`

By the commutative property
`=11xx5xxy`

and since `11xx5 = 55`
`=55xxy`
or
`55y`