Use an exponent to write each expression
6x6x6
10x10x10x10x10x10x10
3/4x3/4x3/4x3/4x3/4
7/9x7/9x7/9x7/9x7/9x7/9x7/9x7/9
how do you use an exponent to represent a number such as 16?

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

How do i do this activity, is appreciated

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?