Question

Evaluate m-4 when m= -7

Answer 1

To simplify this expression use this rule for exponents:

x

a

×

x

b

=

x

a

+

b

m

4

(

m

2

)

=

m

4

+

2

=

m

6

Explanation:

Answer 2

-11

Explanation:

If m= -7 you need to plug that number in so it would end up being ( -7)-4 which =-11