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Q: When this 3 digit number is rounded to the nearest ten or hundred the numbers round up all of the digits in this number are the same the sum of the digits is 15. What is the number?

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you round the number down to the nearest hundred if the last two digits in the number are 49 or below.

-12

First, 54 rounded to the nearest hundred is: 100.We round the number up to the nearest hundred if the last two digits in the number are 50 or above.

226

The number would be 2666. 6 is repeated 3 times. Rounded to the nearest hundred is 2700 and rounded to the nearest thousand is 3000.

27222722

199

278879 rounded to the nearest hundred - is 278900. The last two digits (79) are greater than 50 so you round up.

Rounded to the nearest hundRED it's 900. (It's closer to 900 than 800.) It can't be rounded to the nearest hundRETH because there is no decimal point and there are no digits past that decimal point.

2722

To round to the nearest hundred and ten both being 200 it leaves 9 possibilities. 195,196,197,198,199,201,202,203, and 204. The only one with digits adding up to 19 is 199.

10 (565,566,567,568,569,570,571,572,573,574)

2,400

Remember, we did not necessarily round up or down, but to the hundred that is nearest to 321. First, 321 rounded to the nearest hundred is: 300 When rounding to the nearest hundred, like we did with 321 above, we use the following rules: A) We round the number up to the nearest hundred if the last two digits in the number are 50 or above. B) We round the number down to the nearest hundred if the last two digits in the number are 49 or below. C) If the last two digits are 00, then we do not have to do any rounding, because it is already to the hundred.

The number 47 does not have a digit in the hundreds place. It only has digits in the ones and tens places. The four is in the tens place and the seven is in the ones place. Therefore it cannot be rounded to the nearest hundreds place. The number 47 is between zero hundred and one hundred. It is nearer to zero hundred than it is to one hundred. When rounded to the nearest hundred, it becomes zero, since zero hundred is nearer to it than one hundred is.

555

2.56

You are either 669 or 687 .

Just one. The trailing zeros are not significant. * * * * * Not true. Integers with trailing 0s are ambiguous. You cannot differentiate between 500o as a number rounded to the nearest thousand (1 significant digit), or the nearest hundred (2 sig digits), or the nearest ten (3 sig digits) or the nearest unit (4 sig digits).

7500 The last two digits become zero. If the first of the two digits is greater than 4 then add 1 to previous digit. No need to do that in this example.

The hundredth is two digits to the right of the decimal point. 15.24 is already rounded to the nearest hundredth.

The hundredth is two digits to the right of the decimal point. 6.33 is already rounded to the nearest hundredth.

100 (rounded up to the nearest 200).

3400 We round the number up to the nearest hundred if the last two digits in the number are 50 or above. We round the number down to the nearest hundred if the last two digits in the number are 49 or below. If the last two digits are 00, then we do not have to do any rounding, because it is already to the hundred.

400Replace the last two digits with zero: 300. That means that 374 is between 300 and 400. Now think whether it is closer to 300, or closer to 400.