Answers

2016-01-04T18:26:32+08:00
Multiply the integers as usual... and add the exponents at the variables...

For no. 1:
(5x)(3x) = 15x²

For no. 2:
(9y)(-4y) = -36y²

For no. 3:
(6ab)(-10ab) = -60a²b²

For no. 4:
(7m)(-3m)(-10m) = 210m³

For no. 5:
(-3k)(-2k⁵)(-k⁸) = -6k¹


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