# How do you use the Change of Base Formula and a calculator to evaluate the logarithm #log_2 1#?

##### 2 Answers

Apr 30, 2018

#### Answer:

I tried this:

#### Explanation:

Actually you do not even need to change base as:

because:

Anyway, we can change into natural logs and write:

using our calculator.

Apr 30, 2018

#### Answer:

#### Explanation:

It's probably easier to study the pattern I'm putting out below than it would be to sort through my math explanation.

Change of base will always look like this:

When I learned trig earlier this year, I just memorized that formula.

As for the calculator part, calculator

You should get