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Simplify the expression.

2y^3⋅4y^3

-x^4⋅3y^-3⋅5y^6⋅6x^-9

 Feb 18, 2016
 #1
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2y· 4y3  =  (2 · 4) · (y· y3)  =  8y6         (multiply 2 x 4 and add the exponents of the y-terms)

 

-x· 3y-3 · 5y· 6x-9  =  (-1 · 3 · 5 · 6) · (x· x-9) · (y-3 · y6)  =  -90x-5y3   (again, multiply the numbers and add the exponents of the like terms)

 Feb 18, 2016

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