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Simplifying Using the Quotient Property with a Negative Exponent
Simplify by applying the Quotient Property for Exponents when the denominator has a negative exponent.
Start with the expression .
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Apply the Quotient Property. Both the numerator and denominator share the base . Subtract the denominator exponent from the numerator exponent using : .
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Simplify the exponent. Subtracting a negative number is equivalent to adding its opposite: . The expression becomes .
The result is . When the Quotient Property is applied to a fraction whose denominator has a negative exponent, the subtraction involves subtracting a negative value, which increases the resulting exponent. This is why produces a larger exponent () than either the numerator exponent () or the absolute value of the denominator exponent (). The key arithmetic skill is correctly handling subtraction of a negative integer.
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Elementary Algebra @ OpenStax
Ch.6 Polynomials - Elementary Algebra @ OpenStax
Algebra
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Prealgebra
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Learn After
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A technician is simplifying the expression r^5 / r^-4 for a data report. Arrange the following steps in the correct order to simplify the expression using the Quotient Property for Exponents.
A financial analyst is simplifying a growth ratio represented by the mathematical expression . When simplifying this ratio by subtracting the denominator's exponent from the numerator's exponent, the value of the resulting exponent is ____.
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A quality control technician is documenting a formula for a yield ratio represented by the expression . According to the Quotient Property for Exponents, which mathematical setup correctly shows the subtraction required to determine the new exponent of ?
An inventory manager is simplifying a stock turnover ratio represented by the expression . While applying the Quotient Property for Exponents, they rewrite the subtraction of the exponents, , as the addition . Which arithmetic principle are they recalling to justify this change?