Question

Find the smallest number that has to be subtracted from 256, so that it becomes exactly divisible by 10. ​

Answer 1

Answer:

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Your question: What is the smallest number that has to be subtracted from 256 so that it becomes exactly divisible by 10?

For a number to be exactly divisible by 10, it must be a multiple of 10 ; its foremost characteristic is that it ends by 0.

As an example, 40, 160, 5780, 34527560 are all divisible by 10.

In your case, the largest number that ends by 0 and is still smaller than 256 is 250.

250 is indeed divisible by 10.

Therefore you have to subtract 6 from 256 and you will get 250.

256 - 6 = 250, and 250 is divisible by 10.

Fun facts :

1/ In math, the word “divisible” always means exactly divisible. So in your question the word “exactly” is not absolutely necessary.

2/ 250 is 25 x 10. So one can also say that 250 is divisible by 25.

3/ Take any number, and you are looking for the smallest number S to subtracted so that it becomes divisible by D, S is always going to be smaller than D. In our case, 6 is smaller then 10.

Answer 2

Answer:

your answer

Step-by-step explanation:

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