Logarithms change of base

Use the change of base formula and your calculator to approximate the log.

• A

• B

• C

• D

Use the change of base formula and your calculator to approximate the log.

• A

• B

• C

• D

Use the change of base theorem evaluate:

log₃5

• 0.6

• 1.66666

• .6990

• 1.46

 $Use\ change\ of\ base\ to\ evaluate:\log_37$  

• 1.77

• 0.56

• 2187

• 343

Use the change of base rule to rewrite this problem:

log₅625

• $\frac{\log625}{\log5}$

• $\frac{\log5}{\log625}$

Use the change of base rule to rewrite this problem:

log₂16

• $\frac{\log16}{\log2}$

• $\frac{\log2}{\log16}$

Use the change of base rule to rewrite this problem:

log₇729

• $\frac{\log7}{\log729}$

• $\frac{\log729}{\log7}$

Solve the log using change of base

log₉27

• 1.5

• 0.6666

• 3

• 0.5

Using the change of base rule, what is this logarithm equivalent to?

• A
• B
• C
• D

Solve the log by using change of base:

log₄32

• 8

• 2.5

• 0.4

• 1.5