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  1. Rules for rounding (positive and negative numbers)

    If that digit is $5, 6, 7, 8,$ or $9$ add $1$ to the rounding digit and drop all digits to the right of it. But what about negative numbers ? Do I apply the same rules as above ? For instance, what …

  2. rounding unit - Should I round a decimal number of people up or …

    Dec 19, 2018 · In many cases, the assumption will be to either round down or to the nearest integer, but I believe that always rounding up is also a fairly reasonable thing to assume.

  3. numerical methods - How do you mathematically round a number ...

    How does someone mathematically round a number to its nearest integer? For example 1.2 would round down to 1 and 1.7 would round up to 2

  4. Why do we generally round 5's up instead of down?

    Mar 5, 2013 · WE do this because when you round, generally it is with decimals that are rational or long. When there is 5.000000000000000001, it is better to round up. So, lets say you have …

  5. Notation for rounding in equation - Mathematics Stack Exchange

    I'm wondering if there is a symbol or notation for Round to the nearest 10th For example, the area of a circle with a radius of 45 feet, rounded to the nearest square foot, could be written as, A =...

  6. divisibility - Circumstances where rounding by 3 or more decimal …

    Dec 12, 2012 · Are there any situations where rounding up by 3 or more decimal places is required? I have a computer system that is producing rounding errors if it rounds by only 2 …

  7. I'm stuck with rounding decimals and have been for years

    Apr 1, 2014 · For example: Round 8.647 to one decimal place. Would this be 8.7 or 8.6 as I have never understood if the third number affects the second number first. Also recurring decimals, …

  8. Are there different conventions for 'rounding to even'?

    Aug 27, 2024 · For example, she teaches that 2.59 should be rounded to 2, claiming that rounding 2.59 to 3 would be "chain rounding" because it considers digits beyond the tenths place. From …

  9. How to round the mean number of people - Mathematics Stack …

    When you are calculating the average of the number of people who do something, and you get a value with decimal points, should I still round up when the decimal point is > or = 5, and round …

  10. How to calculate a rounded unit price, and rounded units, so …

    Mar 18, 2025 · say I need the total price to be rounded to 2 decimals e.g. 10.00 I have 3 units rounded to 0 decimals so 3 Now I want a rounded unit price to 2 decimals to always reflect the …