Question
In $38-57,$ write each radical expression as a power with positive exponents and express the answer in simplest form. The variables are positive numbers.$$\sqrt{\frac{9 a^{-2}}{4 b^{4}}}$$
Step 1
The expression becomes: $$ \sqrt{\frac{9}{4 a^{2} b^{4}}} $$ Show more…
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