Use Properties of Rational Exponents to Simplify the Expression

question 55

Multiple Choice

Use properties of rational exponents to simplify the expression. Assume that any variables represent positive numbers.
-(r^1/9 s^1/9) ²

• A) r^1/18 s^1/18
• B) r²s²
• C) r^2/9 s^2/9
• D) r^1/81 s^1/81

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