Find the surface area of the figure. round your answer to the nearest hundredth if necessary.

the answer is two. hope this !

c

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."

umm you say your want to . but you do know that this is the mathematics.  

o~o