Apply Quotient Rule: Apply the quotient rule for exponents which states that when dividing like bases, you subtract the exponents.y9÷y21=y9−21
Convert Exponent to Fraction: Convert the exponent 9 to a fraction to have a common denominator with 21. The number 9 is equivalent to 218 when expressed as a fraction with a denominator of 2. y(218−21)=y217
Perform Subtraction: Perform the subtraction of the fractions in the exponent. 218−21=217So, y9÷y21=y217
More problems from Add, subtract, multiply, or divide two fractions