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Sometimes it is advantageous to express a value in round numbers. To round to a particular place, look at the digit immediately to the right of the one you want to round to, in this case, the second number. If that digit is 4, 3, 2, 1 or 0, zero it and everything to the right of it out. If that digit is 5, 6, 7, 8 or 9, increase your target digit by one and zero everything to the right of it out. If your target digit is 9, it will become a zero and increase the digit to the left of it by one.
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What do you round 12.45 to?
If one were to round the number 12.45 to another number, there are a couple of options. First, one can round the number to 12.5 or one can round the number to 13.
How do you round 34.731 to the nearest whole number?
As the first digit after the decimal point is a seven, it will round up to give 35 as the answer.
what do you round 120.420 to the nearest number?
As the first digit after the decimal place is a 4, the number is rounded down, giving 120 as the answer.
When you round a number which digit in the number helps you decide to round up or round down?
If I think your asking the question how I think your asking it, then any number 5 and above you round up. If its below 5 you round down. :-)
What is 37.672 as a whole number?
To convert this to a whole number you have to round it - in this case it would round to 38.
