Posted by **Erin** on Sunday, May 13, 2007 at 9:10pm.

When you have

4xy^3 * 2x^2y * 5xy^2

Would you add the first number and then add the powers?

11x^4y^6 ???

Thank you

multiply, multiply, multiply

4*2*5 * x

^{1+2+1} y

^{3+1+2}
You got the powers right, but the coefficent is 40

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