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Practice
Simplify the expressions below.a) (2r-9) 2
4r-18
4r-18
b) (5w15) 3
125w45
125w45
c) (2r6) 2
4r12
4r12
d) (4r14) 2
16r28
16r28
e) (6w5) 5
7776w25
7776w25
f) (2w-18) 2
4w-36
4w-36
g) (3q-10) 5
243q-50
243q-50
h) (2q16) 4
16q64
16q64
i) (6r-1) 3
216r-3
216r-3
j) (3y17) 4
81y68
81y68
