Between 1788 and 2008, the us constitution was amended 27 times. how many years have passed on average between one amendment and the next, to the nearest tenth of a year?

7.3

step-by-step explanation:

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."

open side up . . 1/50 . . 2%

closed side up . . 5/50 . . 10%

landed on side . . 44/50 . . 88%

here the answers ur welcome also plz mark as brainliest if someone else anwers