(-8x^4)(5x^9) Use the product rule to simplify.?
回答 (4)
2009-05-09 6:33 pm
✔ 最佳答案
(-8x^4)(5x^9) = -40x^13.According to the Product Rule for Exponents, when you have two power with the same base, the product of powers is the sum of the exponents.
2009-05-09 6:35 pm
(-8x^2)(5x^9)
= (-8)(5)(x^2)(x^9)
= (-40)[x^(2 + 9)]
= (-40)[x^11]
= -40x^11
= (-8)(5)(x^2)(x^9)
= (-40)[x^(2 + 9)]
= (-40)[x^11]
= -40x^11
2009-05-09 6:34 pm
answer is -40x^13
2009-05-09 6:32 pm
(-8x^4)(5x^9) = -8*5(x)^(4+9) = -40x^13
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