Common & Natural Log Review

Use a calculator to evaluate the expression to the nearest ten-thousandth.

log 39

Use a calculator to evaluate the expression to the nearest ten-thousandth.

log 5.8

Solve the equation. Round to the nearest ten-thousandth.

4^5k = 37

Solve the equation. Round to the nearest ten-thousandth.

7^y = 15

Use the change of base form to solve and round to the nearest ten-thousandth.

log₁₂200

Use the change of base form to solve and round to the nearest ten-thousandth.

log₂50

Write the given exponential equation in logarthmic form.

e¹⁵ = x

• ln 15 = x

• ln x = 15

Write the given exponential equation in logarthmic form.

e^3x = 45

• ln 45 = 3x

• ln 3x = 45

• e^3x = 45

Write the given exponential equation in logarthmic form.

e^-5x = 0.2

• e^-5x = 0.2

• ln -5x = 0.2

• ln 0.2 = -5x

Write the given logarithmic equation in exponential form.

ln x = 8

• ln x = 8

• ln 8 = x