Vaughn Harmon
12/15/2023 · Junior High School
Simplify. \[ \frac{y^{\frac{5}{9}}}{y^{\frac{2}{3}}} \] Write your answer using only a positive exponent. Assume that the variable represents a positive real number.
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Tutor-Verified Answer
Step-by-step Solution
To simplify the expression
\[
\frac{y^{\frac{5}{9}}}{y^{\frac{2}{3}}}
\]
we can use the property of exponents that states
\[
\frac{a^m}{a^n} = a^{m-n}.
\]
In this case, we have:
- \( m = \frac{5}{9} \)
- \( n = \frac{2}{3} \)
First, we need to express \( \frac{2}{3} \) with a denominator of 9 to perform the subtraction. We can convert \( \frac{2}{3} \) as follows:
\[
\frac{2}{3} = \frac{2 \times 3}{3 \times 3} = \frac{6}{9}.
\]
Now we can substitute this back into our expression:
\[
\frac{y^{\frac{5}{9}}}{y^{\frac{2}{3}}} = \frac{y^{\frac{5}{9}}}{y^{\frac{6}{9}}}.
\]
Now we apply the exponent rule:
\[
y^{\frac{5}{9} - \frac{6}{9}} = y^{\frac{5 - 6}{9}} = y^{-\frac{1}{9}}.
\]
Since we want to express the answer using only a positive exponent, we can rewrite \( y^{-\frac{1}{9}} \) as:
\[
\frac{1}{y^{\frac{1}{9}}}.
\]
Thus, the simplified expression is
\[
\boxed{\frac{1}{y^{\frac{1}{9}}}}.
\]
Quick Answer
The simplified expression is \( \frac{1}{y^{\frac{1}{9}}} \).
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