How many 3-digit passwords can be formed from the digits 0 through 9?

Question

experimentx · Answer

10x10x10

anonymous · Answer

The chess club has 18 students. How many different teams of 4 can be formed for competition?

anonymous · Answer

Since there a 0 - 9 digit . If the other does not matter then is 9^3 = 729

anonymous · Answer

order not other

experimentx · Answer

http://www.wolframalpha.com/input/?i=18+choose+4

experimentx · Answer

one post one question!! also don't target only answer!!!

anonymous · Answer

The freshman class has 160 students. Each freshman must write 3 reports from a list of 10 novels that the teacher has assigned them to read. How many different combinations of novels can a freshman student choose to write reports on?

anonymous · Answer

@dexter4life no, that's incorrect...

0 1 2 3 4 5 6 7 8 9  <-- that's 10 unique digits, base 10 in fact.

So @experimentX is correct, it's 10^3  (3 combination "slots", 10 choices per "slot")



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