Exponents - Multiplying Like Bases

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Practice

Simplify the expressions below.

a) -7m^-12 · 15m^-5
-105m^-17

b) -4q^-20 · 17q²
-68q^-18

c) 5y^-5 · 8y^-19
40y^-24

d) 2r¹⁸ · 3r¹¹
6r²⁹

e) 20q¹⁸ · 9q^-13
180q⁵

f) 9x¹⁴ · 16x^-1
144x¹³

g) -2x^-18 · 7x^-20
-14x^-38

h) -13x^-8 · 17x¹⁷
-221x⁹

i) -5r^-16 · 1r¹⁰
-5r^-6

j) -16w¹¹ · 5w¹⁷
-80w²⁸