SOLUTION: How many 3-digit numbers can be formed if the first and second number must be 1 through 9 and the third number can be 0 through 9?

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Question 1031267: How many 3-digit numbers can be formed if the first and second number must be 1 through 9 and the third number can be 0 through 9?
Answer by ikleyn(52781) About Me  (Show Source):
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How many 3-digit numbers can be formed if the first and second number must be 1 through 9 and the third number can be 0 through 9?
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9*9*10 = 810.

Any of  9 numbers as the first digit;
any of  9 numbers as the second digit, and
any of 10 numbers as the third digit.