Rewrite using the commutative property of multiplication.

Use the power rule to combine exponents.

Add and .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Multiply by .

Simplify (2/7a^2)(21a^5)

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# Simplify (2/7a^2)(21a^5)

Rewrite using the commutative property of multiplication.

Use the power rule to combine exponents.

Add and .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Multiply by .

Simplify (2/7a^2)(21a^5)