Use the power rule to combine exponents.

Add and .

Factor out of .

Cancel the common factors.

Multiply by .

Cancel the common factor.

Rewrite the expression.

Divide by .

Simplify (y^7y^4)/(y^9)

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# Simplify (y^7y^4)/(y^9)

Use the power rule to combine exponents.

Add and .

Factor out of .

Cancel the common factors.

Multiply by .

Cancel the common factor.

Rewrite the expression.

Divide by .

Simplify (y^7y^4)/(y^9)