Answer
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Hint: To find the correct answer to this question, we should have the knowledge of rounding off. Rounding off is a kind of estimating by replacing a value with an approximate value that has simpler, shorter and mare explicit representation.
Complete step-by-step solution -
In this question, we have been asked to round off 231 to its nearest 100. For that we will require the knowledge of rounding off. Rounding off a number is a kind of estimating a number by replacing a value with an approximate value that has simpler, shorter and more explicit representation. To round off a whole number, we have to follow a few steps. We have to first find the place value of the whole number and look at the digit that is just to the right of it. If that digit is less than 5, then we do not change the rounding digit, but drop all the digits to the right of it. If the digit is greater than or equal to 5, then we add one to the rounding digit and drop all the digits that are to the right of it.
Now, we have to round off 231 to the nearest 100. So, the place value is 2. Now we will check the digit that is to the right of 2, that is 3, which is less than 5. So, except 2, we will turn all the digits to 0. So, we will get 200 as the nearest 100 of 231.
Hence, 231 is rounded off to 200 as its nearest 100.
Note: While solving this question, we need to remember the rules of rounding off and its steps. The steps of rounding off are to find the place value digit and then to look at the next digit to the right of it. If the digit is less than 5, we will keep the rounding digit the same and drop all the values to the right to 0. And if the digit is greater than or equal to 5, then we will add 1 to the rounding digit and then drop the values of all the digits to the right to 0.
Complete step-by-step solution -
In this question, we have been asked to round off 231 to its nearest 100. For that we will require the knowledge of rounding off. Rounding off a number is a kind of estimating a number by replacing a value with an approximate value that has simpler, shorter and more explicit representation. To round off a whole number, we have to follow a few steps. We have to first find the place value of the whole number and look at the digit that is just to the right of it. If that digit is less than 5, then we do not change the rounding digit, but drop all the digits to the right of it. If the digit is greater than or equal to 5, then we add one to the rounding digit and drop all the digits that are to the right of it.
Now, we have to round off 231 to the nearest 100. So, the place value is 2. Now we will check the digit that is to the right of 2, that is 3, which is less than 5. So, except 2, we will turn all the digits to 0. So, we will get 200 as the nearest 100 of 231.
Hence, 231 is rounded off to 200 as its nearest 100.
Note: While solving this question, we need to remember the rules of rounding off and its steps. The steps of rounding off are to find the place value digit and then to look at the next digit to the right of it. If the digit is less than 5, we will keep the rounding digit the same and drop all the values to the right to 0. And if the digit is greater than or equal to 5, then we will add 1 to the rounding digit and then drop the values of all the digits to the right to 0.
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