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Practice
Simplify the expressions below.a) x15 · x4
x19
x19
b) r-8 · r3
r-5
r-5
c) m-16 · m20
m4
m4
d) r-9 · r-3
r-12
r-12
e) m9 · m-3
m6
m6
f) y13 · y19
y32
y32
g) p18 · p9
p27
p27
h) m-11 · m11
m0
m0
i) r-20 · r7
r-13
r-13
j) y-16 · y-6
y-22
y-22