SOLUTION: please multiply 4a^2b(5ab^3) thank you

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Question 197664: please multiply

4a^2b(5ab^3)

thank you
Answer by jim_thompson5910(21667) About Me  (Show Source):
You can put this solution on YOUR website!
4a%5E2b%285ab%5E3%29 Start with the given expression.


%284%2A5%29%2A%28a%5E2%2Aa%29%2A%28b%2Ab%5E3%29 Rearrange and group like terms.


20%2A%28a%5E2%2Aa%29%2A%28b%2Ab%5E3%29 Multiply 4 and 5 to get 20


20a%5E%282%2B1%29%2Ab%5E%281%2B3%29 Multiply the variable terms by adding the exponents.


20a%5E3%2Ab%5E4 Add



So 4a%5E2b%285ab%5E3%29=20a%5E3%2Ab%5E4