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Practice
Simplify the expressions below.a) 18y7 · 4y15
72y22
72y22
b) -1x-9 · 17x-1
-17x-10
-17x-10
c) 16r4 · 10r-19
160r-15
160r-15
d) 13x2 · 5x-6
65x-4
65x-4
e) 5y14 · 14y-19
70y-5
70y-5
f) 15v-19 · 8v13
120v-6
120v-6
g) 20m17 · 14m2
280m19
280m19
h) 2r10 · 14r-4
28r6
28r6
i) -1r2 · 5r-14
-5r-12
-5r-12
j) 14p · 12p-19
168p-18
168p-18