The significant figures are the first four non-zero digits - with the last of these adjusted if the following digit is 5 or more. [This is the crude school rule rather than the bias-free, IEEE approved rule.]
So the answer is 2231000.
2.002
There are four significant figures in .007001
100,3 has four significant figures.
It has four significant figures
Four significant figures.
To round 1,248,486 to four significant figures, you focus on the first four digits, which are 1, 2, 4, and 8. The digit following these is 4, which means you do not need to round up. Therefore, 1,248,486 rounded to four significant figures is 1,248,000.
To round the number 1127436092 to four significant figures, identify the first four significant digits, which are 1127. The next digit is 4, which is less than 5, so you do not round up. Therefore, the number rounded to four significant figures is 1127000000.
1124
93.70
2.002
28.71
All of those figures are significant. If you want to round it to 2 sig figs, that would be 13.
There are four significant figures in 0.1111.
There are four significant figures in .007001
Four of them.
The number 3,072 has 4 significant figures.
100,3 has four significant figures.