Rounded to the nearest hundred, 652 is approximately equal to 700.
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Well, honey, let's keep it simple for you. 652, huh? Alright, to round that bad boy to the nearest ten, you just look at the digit in the tens place. If it's 5 or greater, you round up; if it's less than 5, you round down. So, 652 rounds up to 650. Easy peasy lemon squeezy!
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To round 97 to the nearest 100, you need to look at the digit in the tens place, which is 9 in this case. Since 9 is greater than or equal to 5, you will round up. Therefore, 97 rounded to the nearest 100 is 100.
The two tens, on either side of 652 are 650 and 660. Which one is nearer? 652 - 650 = 2 660 - 652 = 8 So clearly 650 is nearer and that is the answer. There is a problem when the original number ends with a 5 and both the sums give 5 as the answer. Some people believe that you should always round 5 upwards. That is wrong because it introduces an upward bias in the results. For one digit (0) you don't require rounding, for 4 of them (1,2,3,4) you round down and for 5 of them (5,6,7,8,9) you round up. So you are rounding up more often than down. That is where the bias come in. The recommended solution to that bias is to round 5 so that the last significant digit is even.