Suppose you have a 4x4 checkerboard with 16 squares. You put one penny on the first square, then 2 pennies on the next square then 2 to the second power pennies on the third square and so on until there are pennies on all the squares. How many pennies are on the 15th square?

Agroup of randomly selected apple valley high school students were asked to pick their favorite gym class. the table below shows the results of the survey. there are 528 students at apple valley high school. gym class number of students racquet sports 1 team sports 9 track and field 17 bowling 13 based on the data, what is the most reasonable estimate for the number of students at apple valley high school whose favorite gym class is bowling? choose 1 answer a. 9 b. 13 c. 119 d. 172