Question

If b=a+3, then (a-b)exponent 4

Answer 1

-81

Explanation:

b=a+3

Subtract 3 from each side

b=a+3

b-3 = a+3-3

b-3 =a

Then subtract b from each side

b-b-3 = a-b

-3 = a-b

We want (a-b) ^4

We know a-b = -3

(-3) ^4

-81