- #1
Amith2006
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Homework Statement
How many 3 digit numbers are divisibIe by 5?
Homework Equations
The Attempt at a Solution
I get the answer as 136. could Someone please work it out and check my answer?
Numbers divisible by 3 are any numbers that can be divided by 3 without leaving a remainder. These numbers are also known as multiples of 3.
To tell if a number is divisible by 3, you can add up all of the digits in the number. If the sum of the digits is divisible by 3, then the original number is divisible by 3 as well.
No, not all numbers are divisible by 3. Only numbers that have 3 as a factor, meaning that 3 can be multiplied by another number to get the original number, are divisible by 3.
The rule for determining if a number is divisible by 3 is that the sum of the digits in the number must be divisible by 3. If the sum is not divisible by 3, then the original number is not divisible by 3.
Yes, understanding numbers divisible by 3 is important in many fields such as mathematics, finance, and computer science. For example, in coding, knowing that a number is divisible by 3 can help with writing efficient algorithms or identifying patterns in data. In finance, understanding numbers divisible by 3 can be helpful in calculating interest rates or making investment decisions.