I would like to ask the next approximation and accurate number how they round to what place Take the approximate number, generally use the method of rounding, rounding to which place, say the approximate number is accurate Make sure who you are

I would like to ask the next approximation and accurate number how they round to what place Take the approximate number, generally use the method of rounding, rounding to which place, say the approximate number is accurate Make sure who you are

For example: 3.1456 take the approximate number, keep it to the percentile, then look at the 5 of the thousandth, and round it, regardless of the number behind the thousandth. Take the approximate number is 3.15

Round to the nearest number
The approximate value of a three place decimal is 10.00. The maximum number is (), and the minimum number is ()

10.004,9.995