Equivalent expressions II

This task is about what happens to indices when simplifying algebraic expressions.
Choose the expression that is equal to the one that is given.

Question

a)  w5 × w3 is equal to
    • 2w8

    • 2w15

    • w8

    • w15

Question

b)  y12 ÷ y3 is equal to
    • y4

    • y9

    • y15

    • y36

Question

c)  5m4 × 4m5 is equal to
    • 9m20

    • 20m20

    • 9m9

    • 20m9

Question

d)  24p8 ÷ 8p2 is equal to
    • 3p6

    • 16p6

    • 3p4

    • 16p4

Question

e)  (2s3)4 is equal to
    • 8s7

    • 16s7

    • 8s12

    • 16s12