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Practice
Simplify the expressions below.a) r12 · r-9
r3
r3
b) p20 · p-11
p9
p9
c) m2 · m14
m16
m16
d) p-5 · p20
p15
p15
e) x-12 · x3
x-9
x-9
f) m-18 · m-7
m-25
m-25
g) x-12 · x-8
x-20
x-20
h) y-18 · y-12
y-30
y-30
i) m19 · m4
m23
m23
j) r-1 · r-8
r-9
r-9