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Write each of the following so that only positive exponents appear.
Rewrite in a simpler form.
Notice that we are dividing powers with the same base. We’ll proceed by using the rules of exponents.
Write so that no denominator appears.
We can eliminate the denominator by moving all factors that make up the denominator to the numerator.
Find the value of .
We can evaluate this expression by eliminating the negative exponents.
Write in a simpler form and one in which no denominator appears.
Write the following expressions using only positive exponents. Assume all variables are nonzero.
For the following problems, evaluate each numerical expression.
For the following problems, write each expression so that only positive exponents appear.
( [link] ) Find the sum. .
( [link] ) Simplify .
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