111.0
111.009 rounded to four significant digits is 111.0
Three of them.
1.0e3L
The measurement 1045 L rounded to two significant digits is 1000 L. When rounding, the first two significant digits are "10," and since the next digit (4) is less than 5, we do not round up. Therefore, the result is 1000 L.
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.
111.009 rounded to four significant digits is 111.0
4.
Three of them.
111.0
1.0e3L
111.0
The measurement 1045 L rounded to two significant digits is 1000 L. When rounding, the first two significant digits are "10," and since the next digit (4) is less than 5, we do not round up. Therefore, the result is 1000 L.
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.