lisaholliday5482

1 Questions
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925

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+4

simplifying using positive exponents only

My math book says that (2y)(3y^2)(5y^4)=30y^7 is that the correct answer?
I thought it would be 30y^6... because I thought that you just take the two like numbers and add them together. Where did they get 7. Or am I that confused?

lisaholliday5482 Feb 29, 2012