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Start with a three-digit number in which the digits are all different Use the digits to make all possible two-digit numbers and obtain their sum Investigate?
The sum is 22 times the sum of the three digits.
How do we know if a number is divisible by 3?
If the sum of the digits is a multiple of three, the whole number is a multiple of three.
What three digit number is the sum of the cubes of its three digits?
100 10^3
What number is a multiple of 150 factor of 9 has 3 digits and the sum of the digits is 9?
No factor of 9 has three digits. 450 is a three-digit multiple of 150 (and of 9) with a digit sum of 9.
What is a number that has three digits less than than 140 has 7 as a factor the number is even and the sum sum of the digits is less than 9?
112
If the ............. of the digits for a whole number is divisible by three then the whole number is also divisible by three?
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.
Start with a three-digit number in which the digits are all different Use the digits to make all possible two-digit numbers and obtain their sum Investigate?
The sum is 22 times the sum of the three digits.
What three digit number whose digits are all odd and different has a sum of the three digits that is palindromic?
137?
What is the sum of a three digit palindrome number that ends in 71?
The sum of the digits of 171 is 9.
How do we know if a number is divisible by 3?
If the sum of the digits is a multiple of three, the whole number is a multiple of three.
What three digit number is the sum of the cubes of its three digits?
100 10^3
What 2 digit number is three times the sum of its digits?
27
What number is a multiple of 150 factor of 9 has 3 digits and the sum of the digits is 9?
No factor of 9 has three digits. 450 is a three-digit multiple of 150 (and of 9) with a digit sum of 9.
What is a number that has three digits less than than 140 has 7 as a factor the number is even and the sum sum of the digits is less than 9?
112
What is the largest three digit number with the property that the sum of its digits is a prime number?
995
Is 10000 divisible by three?
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.
I am a three digit number. The sum of my digits is 18. When I reverse my digits and subtract the new number from the original number you get 99. What number I am?
whats the answer please??
