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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Rounded to the nearest hundred, 652 is approximately equal to 700.
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.
Nearest ten THOUSAND : 40000. Nearest ten THOUSANDTH : 43678.4268.
To the nearest ten thousandths, 582.0910 To the nearest ten thousands, zero
1394 to the nearest ten is 1390.