29.635 can be rounded down to 29.63 or rounded up to 29.64
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It is already rounded to 2 dp.
Do absolutely nothing. 0.67 IS already rounded to 2 dp.
15.54 is rounded to 2 decimal places and it makes little sense to express a number from 2 dp to 3 dp but, since you have asked, the answer is 15.540
It depends how many decimal places or significant figures you are rounding to.Here's the general method for if you're rounding to 2 dp (decimal places);Look at the number in the 3rd dp spot. Is it 5 or above?If no, write the number with only 2 dp ignoring the 3rd dp number completely. If yes, you'll need to increase the number in the 2nd decimal place spot by 1, unless ...The 2nd dp number is a 9 (as it is in the above question). In that case you need to increase the 1st dp number by 1 and make the 9 a zero. Unless ...The 1st dp number is a 9 ..... etc. etc.So for our example;Rounding to;2 dp = 8.201 dp = 8.20 dp = 8
the answer is 2