RolyPoly
How many combinations are there for a 3digit number?



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RolyPoly
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I think it's 10^3 , while my sister thinks it's 10P3...

RolyPoly
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Oh, the hundred place can be 0 btw

RolyPoly
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That means 012 is acceptable.

hartnn
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then its 10^3
from 0 to 999
= 9990+1 = 1000

RolyPoly
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Nice! Thanks :D
abc
10 choices x 10 choices x 10 choices = 10^3, right?!

hartnn
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absolutely...

RolyPoly
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Thanks again!! :)

hartnn
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welcome again ^_^