# Appendix B - Practice - Page 738: 3

12$a^{3}b^{10}$

#### Work Step by Step

Subtract the exponents: $a^{4}-a$ (aka, a^1)= $a^{3}$ $b^{11}-b$ (aka, b^1)=$b^{10}$ Keep the 12. So you end up with 12$a^{3}b^{10}$

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