Estimate the sum of the following by rounding off to nearest lakhs
1784315 + 2013471 + 813714
In a godown, there are 1,732,815 kgs of rice and 86,93,2
is more and by how much?
Multiply by regrouping (use associative and distributive
123 x 105 =
Frame word problems on multiplication using the numb
11384, 24
Write in answer sheet
Answers
Step-by-step explanation:
We compare the digit at the ten thousandth place with 5 to round off numbers to the nearest lakh. If the digit in the ten thousandth place is less than five, then we replace the digits in ten thousand, thousand, hundred, tens and ones places with zeros.
Example 1. Round off 241259 to the nearest lakh.
Solution. 4 is present in the ten thousandth place of 241259, and 4 < 5. If we round off 241259, then the new number will be 200000.
Example 2. Round off 5342495 to the nearest lakh.
Solution. 4 is present in the ten thousandth place of 5342495, and 4 < 5. If we round off 5342495, then the new number will be 5300000.
If the digits in ten thousandth place is greater than or equal to 5, then we round off the number by increasing the digit at the lakh place by 1 and writing zero in the remaining lower places.
Example 1. Round off 456759 to the nearest lakh.
Solution. 5 is present in the ten thousandth place of 456759, and 5 = 5. If we round off 456759, then the new number will be 500000.
Example 2. Round off 2287689 to the nearest lakh.
Solution. 8 is present in the ten thousandth place of 2287689, and 8 > 5. If we round off 2287689, then the new number will be 2300000.
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