50
2000
100,000
To round 3.6808 to 1-point accuracy, you look at the first decimal place. Since the first decimal (6) is greater than 5, you round up the whole number (3) to 4. Therefore, 3.6808 rounded to 1-point accuracy is 4.
40000
400
2000
100,000
6694 rounded to 1 significant figure is 7000
99.6 rounded to 1 significant figure is 100
2300 rounded to 1 significant figure is 2000.
30,569 rounded off to 1 significant figure is 30,000
0.00584 rounded off to 1 significant figure is 0.006
470 rounded to one significant figure is 500
541713 rounded to one significant figure is 500000.
Rounded to 1 significant figure it is 0.4
6,256 rounded to 1 significant figure is 6,000
It already is rounded to three significant figures.