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What is the GCF of 28a^3 b and 16ab ? A)4ab B)4a3b C)28ab D)112a3b2
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What is the GCF of 28a^3 b and 16ab ?

A)4ab
B)4a3b
C)28ab
D)112a3b2

User Jonny Sooter
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1 Answer

5 votes
28a⁴b: 2 · 2 · 7 · a · a · a · a · b
16ab: 2 · 2 · 2 · 2 · a · b

GCF(28a⁴b, 16ab) = 4ab

The answer is A.
User Ben Van Gompel
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