A hiking trail is 150 miles long. directional signs are posted along the trail every 1/3 mile. How many signs are posted along trail

the answer would be 484

step-by-step explanation:

just multiply 0.484 times 1,000 (formula)

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."

did you get the answer?