Math

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the product (2x^4y)(3x^5y^8) is equivalent to?
a.5x^9y^9
b.6x^9y^8
c.6x^9y^9
d.5x^20y^8
e.6x^20y^8

  • Math -

    you can immediately rule out a) and d, since 2(3) = 6 not 5
    x^4(x^5) = x^9 and y(y^8) = y^9 , so that leaves .... ?

  • Math -

    6x^20y^8

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