Question

Help me? please? i’m slow

Answer 1

`(1)/(2)`

Explanation:

using the rule of exponents

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

given

2
`x^(-4)` y ( substitute x = 2 and y = 4 into the expression )

= 2 ×
`2^(-4)` × 4

= 2 × 4 ×
`(1)/(2^(4) )`

= 8 ×
`(1)/(16)`

=
`(8)/(16)`

=
`(1)/(2)`