Simplifying (3/5)^-3 as a Fraction
This article will guide you through the process of simplifying the expression (3/5)^-3 as a fraction. We'll use the rules of exponents and fractional powers to achieve this.
Understanding Negative Exponents
A negative exponent indicates the reciprocal of the base raised to the positive value of the exponent. In simpler terms,
x^-n = 1/x^n.
Applying the Rule to Our Expression
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Rewrite the expression using the negative exponent rule:
(3/5)^-3 = 1 / (3/5)^3
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Calculate the cube of the fraction:
1 / (3/5)^3 = 1 / (27/125)
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Simplify by dividing by the fraction in the denominator:
1 / (27/125) = 125/27
Therefore, (3/5)^-3 simplified as a fraction is 125/27.