2000
50
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
1 x 2234, 2 x 1117, 1117 x 2, 2234 x 1
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