Teenagers were asked how many times a week they were reminded to do chores. The responses are shown in the graph. What is the mean of the number of times per week that they were reminded? A)2.4
B)2.6
C)2.8
D)3.0

its 4 because 2 times 2 is 4, if you double the number two you get four

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents