Rounding off numbers
We have already learnt round off off the numbers to the nearest tens, hundreds, etc. Let us review them. Allow us take into consideration a number, to speak 12 ~ above a number line. That lies between 10 and also 20. We observe the the gap in between 10 and 12 is much less than the gap between 12 and also 20, i.e., 12 is nearer to 10 보다 20. So, us round turn off 12 come 10, the is, come the nearest ten.
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Similarly, if us take a number speak 16, then it is nearer to 20 as compared to 10. So, we will round turn off 16 come the nearest ten together 20.
But if number 15 is considered, i m sorry is at equal street from both 10 and 20, that is additionally rounded off to 20.
Similarly,In 46, the digit in the ones place is 6. Hence, 46 rounded turn off to the nearest ten is 50.In 251, the digit in the ones location is 1. Hence, 251 rounded turn off to the nearest ten is 250.In 345, the digit in the tens place is 4. Hence, 345 rounded turn off to the nearest hundred is 300.In 9157, the digit in the tens place is 5. Hence, 9157 rounded off to the nearest hundred is 9200.In 5473, the digit at the hundreds ar is 4. Hence, 5473 rounded turn off to the nearest thousands is 5000.
Rounding turn off a number come the nearest ten thousandConsider the number in thousands place of the offered number.If that is much less than 5, change the number in thousands, hundreds, tens, and also ones by 0, maintaining the number in other areas as they are.If it is 5 or more than 5, replace the number in thousands, hundreds, tens, and also ones by 0 and increase the number in ten thousands by 1.
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ExamplesIn number 18785, the number in thousands place is 8 and also 8 > 5, so when rounded off the number nearest to ten thousands is 20000.In number 73568, the digit in thousands location is 3 and 3
Rounding off a number to the nearest lakhConsider the digit in ten thousands location of the provided number.If that is 5 or more than 5, replace the number in ten thousands, thousands, hundreds, tens, and also ones by 0 and increase the number in lakhs by 1.If it is less than 5, replace the digits in ten thousands, thousands, hundreds, tens, and ones by 0 maintaining the digits in other locations as they are.
ExamplesIn number 560712, the number in ten thousands location is 6, and also 6 > 5, so the rounded off number is 600000.In number 821058, the digit in ten thousands place is 2, and 2
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