0
- write down the first three digits.
- look at the fourth digit
- if it is 5 or more, add one to what you have written down so far (ie round up)
- replace all digits from the fourth onwards by zeros.
- if any zero after the third digit is after a decimal point, rub them out.
That's HOW to do it, this is it being done:
3951.675 to 3 sig fig is 3950
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∙ 6y ago
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Round 31453 to 3 significant digits?
31500
How do you Round 3 significant digits of 1566311?
It is 1570000 rounded to 3 significant figures
Round 31456 to 3 significant digits?
The first 3 significant digits of a number are the first 3 digits starting from the left ignoring any leading zeros. So 31456 = 31500 (3 significant digits) The 5 in the "56" rounds the 4 up.
How do you round 0.0195 to 3 significant digits?
0.0195. Note that leading zeros are non-significant.
How do you round 5.003125 to 3 significant figures?
Simply cut off the extra digits: 5.00
How many significant digits does 20.5 have?
3 significant digits.
Do 50.4 have two significant digits?
No, it has 3 significant digits.
How many significant digits does 0.0205 have?
It has 3 significant digits.
How do you abbreviate an irrational number?
You can just round it off. For example, if your number is 8.38572998472654400131... that is equal to approximately 8.4 (if two significant digits is enough for your purposes) or 8.39 (if you prefer 3 significant digits).
How do you round numbers to 3 significant figures?
There are three rules that are used when rounding to a desired number of significant digits (figures): 1. All digits that are not zero, are significant 2. In a number that does not have a decimal point, all zeros between two non-zero digits are significant digits 3. In a number that has a decimal point, all zeros after the leftmost non-zero digit are significant Examples: 12345 rounded to 3 significant digits: 12300, or 1.23 x 104 12.345 rounded to 3 significant digits: 12.3, or 1.23 x 101 0.012345 rounded to 3 significant digits: 0.0123, or 1.23 x 10-2 0.012045 rounded to 3 significant digits: 0.0120, or 1.20 x 10-2 In the last example the zero after 2 is significant. That is the reason for keeping it in the result when rewriting it in powers of 10 notation.
How many significant digits are in 000203?
000203 has 3 significant digits.
How many significant digits are in 20.0?
There are 3 significant digits in 20.0
