How do you simplify #(-b²)(-b³ )(-b^4)# leaving only positive exponents?

Answer 1

Julia Adams

See the solution process below:

Use this rule of exponents to simplify this expression:

#x^color(red)(a) xx x^color(blue)(b) = x^(color(red)(a)+color(blue)(b))#

#(-b^color(red)(2))(-b^color(blue)(3))(-b^color(green)(4)) = -b^(color(red)(2)+color(blue)(3)+color(green)(4)) = -b^9#

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Answer 2

Eli Assouline

To simplify (-b²)(-b³)(-b^4) leaving only positive exponents, you multiply the coefficients and add the exponents for each variable. In this case, the variable is "b." So, (-b²)(-b³)(-b^4) simplifies to b^(2+3+4), which is equal to b^9.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.