Question 68979
3b to the power of 2 divided by 9b to the power of 5
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3b^2/9b^5
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There is a common factor of 3 in the numerator and denominator,
so cancel them:
=b^2/3b^5
There is a common factor of b^2 in the numerator and denominator 
so cancel them;
=1/3b^3
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Cheers,
Stan H.