Question

Which is equal to 42 • 48?
a. 416
b. 410
c. 46
d. 4−6

Answer 1

So With Questions Like These
Remember,
Multiply = add the exponents
Divide = Subtract the Exponents
AND ALWAYS KEEP THE BASE

So Its B

Answer 2

`4^(-6)`

Explanation:

Given :
`4^2 / 4^8`

To Find :Which is equal to
`4^2 / 4^8` ?

a.
`4^(16)`

b.
`4^(10)`

c.
`4^6`

d.
`4^(-6)`

Solution:

`4^2 / 4^8`

Property :
`a^x / a^y = a^(x-y)`

Using the property :

`4^(2-8)`

`4^(-6)`

So,
`4^2 / 4^8` =
`4^(-6)`