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Q: What could you add to 542 to make it divisible by 8?

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you would add 8-making the number 550.550 divided by 10 is 55

You would add 8 - making the number 550. 550 divided by 10 is 55.

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87 is already divisible by 3, so you could add a 0, 3, 6 or 9 anywhere in there and get the same result.

9 or 19 or 29 or 39 or 49 or 59 and so on and so forth. You could also add negative one, negative eleven, etc.

The next nearest number divisible evenly by 10 would be 250 so you need to add 7 ro 243

243+7 = 250/10 = 25

If you can add the integers and they add up to a number divisible by 3, then the number is divisible by 3.

Any number divisible by 3 has digits that add up to a multiple of 3. Adding a 1 to any of these digits or inserting a 1 anywhere in the number would make it divisible by 3.

ADD 4+3. IF IT DIVIDES EASILY BY 3, YOU'RE GOLDEN. 7 IS NOT DIVISIBLE BY 3 W/OUT A FRACTION, SO SORRY, NO JOY.

542 - 387 add 3 to each number => 545 - 390add 10 to each number => 555 - 400 = 155.

Yes. Add zeros to the end of the sum that you get an keep dividing. Just make sure to ADD A DECIMAL before the zeros.;D

Add the digits. If the total is divisible by three, the original number is divisible by three. It's not and it's not.

the rule for divisibility by 9 is that the sum of all digits of the number should should be divisible by 9. So, 3+9+0+6+5= 23. To make is divisible by 9, we think of 27 (as the next number divisible by 9) and that means if we add 4 to any digit of the number, it will be divisible. 39069/9=4341

To find out if 640 is divisible by 3, we will add up the numbers that make 640 as follows: 6 + 4 + 0 = 10 We know that if the sum of the numbers that make up 640 is divisible by 3, then 640 is divisible by 3. Since 10 is NOT divisible by 3, 640 is also NOT divisible by 3. Thus, the answer to the question "Is 640 divisible by 3?" is NO. If you divide 640 by 3, you get 213.3333333.

If its digital sum add up to 9 then it is divisible by 9

The lowest number you could add to make it divisible by 10, 2, and 5 would be 7. 23 + 7 = 30 30/10 = 3 30/2 = 15 30/5 = 6 Also, technically, you could add (-3) to make 20. 23 + (-3) = 20 20/10 = 2 20/2 = 10 20/5 = 4 Basically, you could add any number to 23 that would get a multiple of 10, since 2 and 5 are both factors of 10 to begin with.

No, it is not divisible by 3. Add all the digits of 21733, we will get 16 & 16 is not divisible by 3.

If a number is divisible by three you will know if all the digits of a number add up to a number divisible by three. Example: 1542 is your number, to find out if it is divisible by three you must add up the digits. 1+5+4+2=12. The number 12 is divisible by three(4x3) so therefore 1542 is divisible by three.

No, 3 is not a factor of 47. A quick way to know that is to add the digits in the number. If they add up to a number that is divisible by 3, the number itself is divisible by 3. If they don't, the number is not divisible by 3.

It depends on whether you mean the highest digit that you add or subtract or multiply by!

A number is divisible by 9 if all the digits add up to 9 or are a factor of. IF the digits add up to 9 (or a factor of 9), they will automatically be a factor of 3.Yes. Test a couple numbers divisible by 9--27, 81--and they are all divisible by 3.

No, it is not evenly divisible by 3. The answer you get is 6,665.3333. A trick to tell is a number is divisible by 3 is to add up the digits and see if they are divisible by 3. In this case, 34 is not divisible by 3.

No, 34,456,433 is not evenly divisible by 9. To confirm this, add up the digits. The sum of the digits is 32, which is not divisible by 9, so 34, 456,433 is not divisible by 9.

A number is divisible by 9 of its digits add up to a multiple of 9.