111.0
111.009 rounded to four significant digits is 111.0
Three of them.
1.0e3L
The measurement 111.009 mm rounded to four significant digits is 111.0 mm. When rounding, the first four significant digits are 1, 1, 1, and 0, while the following digit (the next 0) does not affect the rounding. Therefore, the final result remains at one decimal place.
1,000 to 2 s.f., or 1,000 (2 s.f.) or 1,000.
111.009 rounded to four significant digits is 111.0
4.
Three of them.
111.0
1.0e3L
111.0
222.008 mm rounded to four significant digits is 222.0 mm
The measurement 111.009 mm rounded to four significant digits is 111.0 mm. When rounding, the first four significant digits are 1, 1, 1, and 0, while the following digit (the next 0) does not affect the rounding. Therefore, the final result remains at one decimal place.
1,040 to 3 s.f., or 1,040 (3 s.f.) or 1,040.
1,000 to 2 s.f., or 1,000 (2 s.f.) or 1,000.
Significant digits in measurement refer to the digits in a number that carry meaning or contribute to the precision of the measurement. They indicate the level of certainty in a measurement and help determine the accuracy of the result. The more significant digits in a measurement, the more precise the measurement is considered to be.
Because March 14th or 3-14 are the first 3 digits of pi which are 3.14