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The trick to this question is to realize that you can tell a number is divisible by nine by observing whether the sum of it's digits is divisible by nine.
For example, we know that the number 25731 is divisible by nine, because 2 + 5 + 7 + 3 + 1 = 18, and 18 is divisible by nine.
So in this case, what we want is a value for "A" in which 3 + A + A + 1, or 2A + 4, is divisible by 9. "A" also has to be less than ten (as we're dealing with a specific digit). That leaves us with only one possible digit, 7. 3 + 7, + 7 + 1 = 18, and 18 is indeed divisible by nine, so we know that 3771 is also divisible by nine.
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What is the converse inverse and contrapositive If every digit of a number is divisible by 3 then the number is divisible by 3?
Converse:If a number is divisible by 3, then every number of a digit is divisible by three. Inverse: If every digit of a number is not divisible by 3 then the number is not divisible by 3? Contrapositive:If a number is not divisible by 3, then every number of a digit is not divisible by three.
The number 3456 is divisible by which single-digit numbers?
3456 is divisible by the single digit numbers 1,2,3,4,6,8,9
How many 3 digit number are divisible by 5?
There are 180 3-digit numbers divisible by five.
What is the rule for a number that is divisible by 4?
If the last two digits are divisible by 4 then the number is divisible by 4. Thus, if the tens digit is even and the units digit is 0 or 4 or 8 OR if the tens digit is odd and the units digit is 2 or 6 then the number is divisible by 4.
How many 3 digit numbers are divisible by 6 in all?
There are 151 3-digit numbers that are divisible by 6.
If the four digit numeral A9A2 is divisible by nine what digit does A represent?
8 8982/9 = 998
What digit must k represent if the number K434K0 is divisible by 36?
K = 8
After talking to Cresselia and going to Marine resort team raider is at the beach and after that?
The numeral 425d64 is divisible by 3. What is the sum for the possible solutions for the digit d?
What is the converse inverse and contrapositive If every digit of a number is divisible by 3 then the number is divisible by 3?
Converse:If a number is divisible by 3, then every number of a digit is divisible by three. Inverse: If every digit of a number is not divisible by 3 then the number is not divisible by 3? Contrapositive:If a number is not divisible by 3, then every number of a digit is not divisible by three.
What single digit numbers that are divisible by 7000?
There are no single-digit numbers divisible by 7000.
What is a 3 digit number that is divisible by 1?
a 3 digit number that is divisible by on is a three digit number that is a multiple of one.
What one digit numbers are divisible by ten?
No one-digit numbers are divisible by 10. 10 is divisible by 1, 2 and 5.
What digit will make 29 divisible by 3?
29 is not divisible by 3 and how any digit will alter that depends on how that digit is to interact with 29.
Explain why 45 is not a prime number?
Any number that ends with the digit 5 is divisible by 5.Any number that ends with the digit 5 is divisible by 5.Any number that ends with the digit 5 is divisible by 5.Any number that ends with the digit 5 is divisible by 5.
The number 3456 is divisible by which single-digit numbers?
3456 is divisible by the single digit numbers 1,2,3,4,6,8,9
How many 3 digit number are divisible by 5?
There are 180 3-digit numbers divisible by five.
How many 5 digit numbers are divisible by 150?
There are 600 5-digit numbers divisible by 150.
