It is 62.1 - exactly as in the question.
Truncated to one significant figure, it's 9,000 .Rounded to one significant figure, it's 10,000.
1000 is written with one significant figure, with only the 1 being a significant figure.
It has 1 significant figure.
The significant figure 2.00 has to do with the certainty of a measurement.
0.004 has 1 significant figure.
0.0145
The significant figure of 37.753 to 1 significant figure is 40.
Truncated to one significant figure, it's 9,000 .Rounded to one significant figure, it's 10,000.
1000 is written with one significant figure, with only the 1 being a significant figure.
The next number up from 621 that contains all 3's in it is 3333. To figure out what whole number you need to add to 621 to get to 3333 just subtract the two. 3333 - 621 = 2712 Therefore, 2712 is the small whole number that you can add to 621 and get an answer that contains all 3's.
It has 1 significant figure.
The first significant figure of 0.000169 is the 1 and it has 3 significant figures.
The significant figure 2.00 has to do with the certainty of a measurement.
The significant figure of 78.00100 is 78.00. It had 7 significant figures and a least significant decimal of -5.
0.004 has 1 significant figure.
1512 to 1 significant figure is 2000
4252 to 1 significant figure is 4000.