For the following exercises, simplify the given expression. Write answers with positive exponents. 25. \( \frac{a^{3} a^{2}}{a} \) 26. \( \frac{m n^{2}}{m^{-2}} \) 27. \( \left(b^{3} c^{4}\right)^{2} \) 28. \( \left(\frac{x^{-3}}{y^{2}}\right)^{-5} \) 29. \( a b^{2} \div d^{-3} \) 30. \( \left(w^{0} x^{5}\right)^{-1} \)
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Now divide by \( a \): \( \frac{a^{5}}{a} = a^{5-1} = a^{4} \). Show more…
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