The expression that can be used to approximate the expression below is
- Given the logarithmic function expressed as
, we need the log expression that is equivalent to the given expression.
- To do this, we will write the logarithm as a quotient to the same base. Using the base of 10, the expression can be written as;

This is similar to the option c where the base of "b" was used as 
Learn more on law of logarithms here: brainly.com/question/11587706
We can add the money he spent to the money he had left to find the total.
4.85 + 15.9 + 8.20 = 28.95
He started with 28.95
Answer: 0.63
Step-by-step explanation:
1. Move the decimal point two places to the right giving you 0.63
Answer:
The distance on a number line between -9 and -5 would be 4. This is kinda easy.
Step-by-step explanation:
8 * 2 * 10 = 160 * 10 = 1600