Mastering Logarithms in Grade 11

Evaluate log(0.1) to two decimal places.

• 0.00

• -2.00

• -1.00

• -0.10

What is log(5) when rounded to two decimal places?

• 0.50

• 0.85

• 1.00

• 0.70

Calculate log(2.5) using a calculator.

• 0.39794

• 0.60206

• 0.47712

• 0.30103

Find log(0.01) and express it as a fraction.

• -3

• -2

• 0

• -1

Evaluate log(100) and explain your reasoning.

• 2

• 1

• 3

• 10

What is the value of log(50) to two decimal places?

• 1.25

• 1.70

• 2.00

• 1.50

If log(x) = -1, what is the value of x?

• 0.1

• 0.01

• 10

• 1

Solve for x: log(3x) = 1.

• 1

• 3

• 5

• 10/3

If log(2) + log(3) = log(x), what is x?

• 6

• 7

• 5

• 4

Evaluate log(0.5) and explain the result.

• -1.0

• -0.3010

• 0.5

• 0.3010