Q: What is the sum of the three digits in the number 378?

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The sum is 22 times the sum of the three digits.

If the sum of the digits is a multiple of three, the whole number is a multiple of three.

100 10^3

No factor of 9 has three digits. 450 is a three-digit multiple of 150 (and of 9) with a digit sum of 9.

112

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You would fill in the blank with the word sum, which means that you add each of the digits of the number. If that sum is divisible by three then the number is divisible by 3.

The sum is 22 times the sum of the three digits.

137?

The sum of the digits of 171 is 9.

If the sum of the digits is a multiple of three, the whole number is a multiple of three.

100 10^3

27

No factor of 9 has three digits. 450 is a three-digit multiple of 150 (and of 9) with a digit sum of 9.

112

995

No. If a number is divisible by three, the sum of its digits will be divisible by three. Obviously, the sum of the digits of 10000 is 1, and 1 is not divisible by 3, so 10000 is not divisible by 3.

whats the answer please??