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if the first digit of a 3 digit number cannot be 0, how many 3 digit numbers are possible?
 one year ago
 one year ago
if the first digit of a 3 digit number cannot be 0, how many 3 digit numbers are possible?
 one year ago
 one year ago

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jim_thompson5910Best ResponseYou've already chosen the best response.0
There are 9 digits to choose from for the first digit, 10 to choose from for the second, and 10 for the third. So there are 9*10*10 = 900 possible 3 digit numbers.
 one year ago
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