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? asked in Science & MathematicsMathematics · 9 years ago

math homework help ? * ten points !?

What is the product of -8x^2y and -2xy^3 ?

*** ten points

Update:

negative * negative = positive ? correct .... or ?

2 Answers

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  • ≈ nohglf
    Lv 7
    9 years ago
    Favorite Answer

    -8x^2y * -2xy^3 = 16x^3y^4

    Answer:16x^3y^4

    Source(s): _________________________________________________ x^a * x^b = x^(a+b) where a and b are real numbers. Other rules about exponents can be found here http://www.purplemath.com/modules/exponent.htm Edit: Yup, negative * negative = positive
  • ?
    Lv 4
    9 years ago

    Negative and negative make positive.

    So -8x-2 gives you 16.

    x^2 time x gives you x^3, since you add the powers when you times it.

    y x y^3. = y^4

    So it gives you 16x^3y^4

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