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y9÷y12=y^{9}\div y^{\frac{1}{2}}=

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Q. y9÷y12=y^{9}\div y^{\frac{1}{2}}=
  1. Apply Quotient Rule: Apply the quotient rule for exponents which states that when dividing like bases, you subtract the exponents.\newliney9÷y12=y912y^{9} \div y^{\frac{1}{2}} = y^{9 - \frac{1}{2}}
  2. Convert Exponent to Fraction: Convert the exponent 99 to a fraction to have a common denominator with 12\frac{1}{2}. The number 99 is equivalent to 182\frac{18}{2} when expressed as a fraction with a denominator of 22. \newliney(18212)=y172y^{\left(\frac{18}{2} - \frac{1}{2}\right)} = y^{\frac{17}{2}}
  3. Perform Subtraction: Perform the subtraction of the fractions in the exponent. \newline18212=172\frac{18}{2} - \frac{1}{2} = \frac{17}{2}\newlineSo, y9÷y12=y172y^{9} \div y^{\frac{1}{2}} = y^{\frac{17}{2}}

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