Simplify and express your answer with positive exponents only.

MATHEMATICS · Subjective · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

Simplify (5a3b−2)225 a−1b4\displaystyle \frac{(5a^3 b^{-2})^2}{25\,a^{-1} b^{4}} and express your answer with positive exponents only.

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