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How do you round 66.5 to 1 decimal place?
You relax and do nothing. The number is already rounded to 1 dp.
How do you round up 8.196?
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
Round 26.79 to two decimal place?
It is already rounded to 2 dp.
What is the square root of245 correct to 2 places of decimal?
√245 ≈ 15.65Calculate to 3 dp and round using the 3rd dp:............ 1 . 5 . . 6 . 5 . 2 ⇒ √245 ≈ 15.65 to 2 dp............-----------------....... 1 | 2 45 . 00 00 00............ 1............ -..... 25 | 1 45............ 1 25............ -----... 306 | .. 20 . 00............... 18 . 36............... -------. 3125 | .... 1 . 64 00................. 1 . 56 25................. ---------31302 | ........... 7 75 00........................ 6 26 04........................ --------........................ 1 48 96
What does 1 dp mean in maths?
1 decimal place
