What the answer in simplest form, seven divided by ten times one divided by one hundred and five

4444444444444 i think

207/8 is the right

a reflection across the x axis and a 90 degree rotation left and right.

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."