Use the product property of logarithms, .

Multiply by .

Use the product property of logarithms, .

Multiply by .

Rewrite as .

Expand by moving outside the logarithm.

Rewrite as .

Expand by moving outside the logarithm.

Cancel the common factor.

Rewrite the expression.

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Evaluate ( natural log of 27+ natural log of 9)/( log of 27+ log of 9)