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When you have to get a number correct to X decimal places, you look at the number in X+1 place. If that number is 5 or more you add 1 to the number in X place, otherwise you leave the number in X place as it is. So, 5.9829 correct to three decimal places is 5.983,And, 5.982 correct to two decimal places is 5.89
The first place after the decimal point is tenths. The second place after the decimal point is hundredths The third place after the decimal point is thousandths. So the number must extend to the third place after the decimal.
In terms of decimal values, 0.04 is greater than 0.005. This is because the more digits a number has after the decimal point, the smaller it becomes. In this case, 0.04 has two decimal places while 0.005 has three decimal places, making 0.04 the larger number.
When ' n ' has no more than one non-zero digit after the decimal point, and it is in the first place after the point.
The second decimal place is 5 or more, so the first decimal place increases by 1.69.6