How do you simplify $3^3div3^-1$ ?

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Answer 1 · 2017-01-03T00:34:56

See simplification procedure below using rules for exponents.

First, we can rewrite this expression as:

$3^3/3^-1$

Now we can use the following rule for exponents to start the simplification:

$x^color(red)(a)/x^color(blue)(b) = x^(color(red)(a)-color(blue)(b))$

Apply this rule to our expression gives:

$3^color(red)(3)/3^color(blue)(b) = 3^(color(red)(3)-color(blue)(-1)) = 3^(color(red)(3)+color(blue)(1)) = 3^4 =$

$3 xx 3 xx 3 xx 3 = (3 xx 3) xx (3 xx 3) = 9 xx 9 =$

$81$

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