450! number of zero with methods
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Can we agree that it must be an even multiple of 450? Otherwise the last two digits will be 50.
Can we agree that it must be an even multiple of 450? Otherwise the last two digits will be 50.What is the smallest positive multiple of 900 such that all the digits are 0s or 1s?
Can we agree that it must be an even multiple of 450? Otherwise the last two digits will be 50.What is the smallest positive multiple of 900 such that all the digits are 0s or 1s?A rule of multiples of 9: the sum of the digits of a multiple of 9 is a multiple of 9.
Can we agree that it must be an even multiple of 450? Otherwise the last two digits will be 50.What is the smallest positive multiple of 900 such that all the digits are 0s or 1s?A rule of multiples of 9: the sum of the digits of a multiple of 9 is a multiple of 9.This rule goes both ways. If the sum of the digits is a multiple of 9, the number is a multiple of 9.
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