Basic Math Examples

Evaluate 7^(0.3x)=813
Step 1
Take the natural logarithm of both sides of the equation to remove the variable from the exponent.
Step 2
Expand the left side.
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Step 2.1
Expand by moving outside the logarithm.
Step 2.2
Multiply by .
Step 3
Divide each term in by and simplify.
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Step 3.1
Divide each term in by .
Step 3.2
Simplify the left side.
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Step 3.2.1
Cancel the common factor of .
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Step 3.2.1.1
Cancel the common factor.
Step 3.2.1.2
Divide by .
Step 3.3
Simplify the right side.
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Step 3.3.1
Replace with an approximation.
Step 3.3.2
Log base of is approximately .
Step 3.3.3
Divide by .