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Express the following fraction in simplest form, only using positive exponents.

(-5y^(6))/((-3y^(-4))^(4))
Answer:

Express the following fraction in simplest form, only using positive exponents.\newline5y6(3y4)4 \frac{-5 y^{6}}{\left(-3 y^{-4}\right)^{4}} \newlineAnswer:

Full solution

Q. Express the following fraction in simplest form, only using positive exponents.\newline5y6(3y4)4 \frac{-5 y^{6}}{\left(-3 y^{-4}\right)^{4}} \newlineAnswer:
  1. Identify Negative Exponent: Write down the given expression and identify the negative exponent.\newlineThe given expression is (5y6)/((3y4)4)(-5y^{6})/((-3y^{-4})^{4}). We need to simplify this expression and ensure that all exponents are positive.
  2. Apply Power Rule: Apply the power rule to the denominator.\newlineWhen an exponent is raised to another exponent, we multiply the exponents. In this case, we have (3y4)4(-3y^{-4})^4. We will apply the power rule to the yy term.\newline(-3y^{-4})^4 = (-3)^4 \times (y^{-4})^4\(\newline= 81 \times y^{-16}\)
  3. Rewrite Negative Exponent: Rewrite the negative exponent as a positive exponent.\newlineTo convert a negative exponent to a positive exponent, we take the reciprocal of the base. So, y16y^{-16} becomes 1/y161/y^{16}.\newline81×y16=81/y1681 \times y^{-16} = 81/y^{16}
  4. Combine Numerator and Denominator: Combine the numerator and the simplified denominator.\newlineNow we have the original numerator (5y6)(-5y^{6}) and the simplified denominator (81/y16)(81/y^{16}). We will combine these to form a single fraction.\newline(5y6)/(81/y16)=(5y6)(y16/81)(-5y^{6}) / (81/y^{16}) = (-5y^{6}) * (y^{16}/81)
  5. Multiply Terms with Same Base: Multiply the terms with the same base using the property of exponents.\newlineWhen multiplying terms with the same base, we add the exponents. In this case, we have y6×y16y^{6} \times y^{16}.\newline(5y6)×(y16/81)=(5×y6+16)/81(-5y^{6}) \times (y^{16}/81) = (-5 \times y^{6+16}) / 81\newline=(5×y22)/81= (-5 \times y^{22}) / 81
  6. Simplify Fraction: Simplify the fraction if possible.\newlineIn this case, there are no common factors between the numerator and the denominator, so the fraction is already in its simplest form.\newline5y2281\frac{-5 \cdot y^{22}}{81}

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