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Mathematics 17 Online
OpenStudy (fabgirl1994):

Choose the correct simplification of the expression (7ab3)2. 49ab6 49a2b5 49a2b6 14a2b6

OpenStudy (blake4560):

It is one of the last two choices although I think that it is the last.

OpenStudy (fabgirl1994):

Can you explain?

OpenStudy (anonymous):

it is the third one 7^2 a^2 b^(3x2)

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