The battery life of a certain cell phone starts at 8 hours. The battery life decreases at an annual rate of 30%.
a. Write a function that represents the battery life y after x years.
b. After how many years will the battery life of a cell phone be 2 hours? Round to
the nearest tenth if necessary.

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

13 is the same as 1÷3. what is the exact quotient in decimal form of 1÷3?