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Q: Rounding off to the first digit is called?

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Frond end estimation.

For rounding off to nearest ten, we have to consider the digit at ones place. If the digit at ones place is less than 5 then the digit at tens place remains same but the digit at ones place is written zero. Rounding off 41 to the nearest ten : 40.

The tens digit is 8 and the ones digit is 5. Rounding to the nearest ten is equal to rounding at the ones digit.When rounding, if the digit is greater than 5, round up; otherwise round off.85, so 90.

Whatever place you are rounding off to, look to the digit to the right of it. If it is 4 or less, the digit you are rounding stays the same and everything to the right of it becomes a zero. If the digit to the right of it is 5 or greater, the number you are rounding becomes one greater and everything to the right of it becomes a zero. For example, if I am rounding to the nearest 100 in each of these. 12348 becomes 12300 74862 becomes 74900

80

Look at the place you are rounding off. Look at the number to the right of it. If the number to the right is 4 or less, the rounding value stays the same and every digit to the right of it goes to zero. If the number to the right is 5 or greater, the rounding value goes one higher and every digit to the right of it goes to zero.

You look at the ones collum then if it is a 1,2,3 or 4 you round to the nearest ten lower then the number but if it is a 5,6,7,8 or 9 you round to the nearest ten closer to the numberfirst,it needs to be a number like 1.45 or 3.76 or something like that.Whole numbers don't get rounded off.To round off a number,all you do is this:if it is under .50 for example...1.45,you would round it off to 1 If it is over .50 for example 3.76,you would round it off to 4* Look at the number to the right of the number to be rounded-off: if that number is a number between 0 and four, keep the number to be rounded-off just as it is.* If the number to the right of the number to be rounded-off has a value of 5 to 9, add 1 to the number to be rounded-off.A slightly different answerTo round off decimals:Find the place value you want (the "rounding digit") and look at the digit just to the right of it.If that digit is less than 5, do not change the rounding digit but drop all digits to the right of it.If that digit is greater than or equal to five, add one to the rounding digit and drop all digits to the right of it.To round off whole numbers:Find the place value you want (the "rounding digit") and look to the digit just to the right of it.If that digit is less than 5, do not change the "rounding digit" but change all digits to the right of the "rounding digit" to zero.If that digit is greater than or equal to 5, add one to the rounding digit and change all digits to the right of the rounding digit to zero.If the number is 5 or greater add 1 to the number preceding it and drop the others if less than 5 just drop the numbers. i.e. 1.9536 could be 2, or it could be 1.954 if you wanted to preserve the decimal.

When rounding in hundreds place, look slat the tens place, if the digit is 5 and up then you round the hundreds place up to the next digit. If it is 4 and below then you retain the digit of the hundreds place. Example in rounding to tens place, 450 rounds to 500 while 449 rounds to 400. Same principle in rounding to thousands except you look at the hubdreds place digit when considering to round off. Example in rounding to thousands place. 4500 rounds to 5000 while 4499 rounds ro 4000.

Simply cut off the extra digits after rounding the last digit: 1.2

Look to the right of the digit you are rounding. If the next digit (and all that follow) is 0, there is no issue. If the next digit is 1, 2, 3 or 4 then ignore them. If the next digit is 6, 7, 8, or 9 then add one to the digit that you are rounding. If the next digit is 5 you can go either way. So as not to introduce a bias, you should round up half the time and round dwon half the time. The conventional solution, used by many statisticians, is to round up or down so that the previous digit is (or becomes) even.

When rounding to a specific place, take a look at the digit immediately to the right of the target. If that digit is 4 or less, zero everything to the right of the target out. If that digit is 5 through 9, increase the target by one and zero everything to the right of it out. If the target is a 9, increasing it will turn it to zero and increase the digit to the left of the target by one.

When rounding to a specific place, take a look at the digit immediately to the right of the target. If that digit is 4 or less, zero everything to the right of the target out. If that digit is 5 through 9, increase the target by one and zero everything to the right of it out. If the target is a 9, increasing it will turn it to zero and increase the digit to the left of the target by one.

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