Crazy Book club has a membership of 400 and operates 23 - horror book groups and 36 fantasy book groups. Before deciding whether to accept new members, the club council would like to know how many members regularly use each type of group. A survey of the membership indicates that 41.5% use the horror groups and 68% regularly use the fantasy groups, and 8% do not regularly use either of these facilities. What percentage of the 400 use at least one of the horror groups or fantasy groups?

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.