If pluto's average distance is approximately 100 times mercury's average distance, how many units on the logarithmic scale is pluto from mercury?

On a logarithmic scale, Pluto is 2 units from Mercury.

The default base for logarithms is 10, so saying that something is 2 units means that we are raising the base 10 to the power of 2.



Written as a logarithm, this would be:



Whatever number you plug into the function, the answer will be whatever power the base needs to be raised to in order to equal the original number.

For example:



because

C. i think it is step 3

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