Simplify the expression. 7x–8 • 6x3 a. 42 /x^5. b. 1 /42x^5 c. 42x^11 d. 13x^–5

asked Nov 12, 2017 65.0k views

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3 votes

Answer:

42/x^5

Explanation:

Tomek Cejner answered Nov 15, 2017

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2 votes

$7x^(-8)\cdot6x^3=(7\cdot6)x^(-8+3)=\boxed{42x^(-5)=(42)/(x^5)}\to\boxed{a.}$

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