111.0 mm
1,246 rounded to one significant figure is 1,000
The rule when rounding off numbers is "If the first figure to be discarded is 5 or more then the previous figure is increased by 1". The first figure to be discarded is '6' and as this is greater than 5 then the previous figure (4) is increased by 1 (to 5). 29.46 when rounded off to three significant figures is 29.5.
2.5368 to 5 significant figure=2.5368
It is 200 rounded to one significant figure
Rounded to one significant figure it becomes 40
1,246 rounded to one significant figure is 1,000
6694 rounded to 1 significant figure is 7000
470 rounded to one significant figure is 500
8.265 rounded to one significant figure is 8
828 rounded to one significant figure is 800
541713 rounded to one significant figure is 500000.
26112 rounded to one significant figure results in 30000
99.6 rounded to 1 significant figure is 100
The significant figure 2.00 has to do with the certainty of a measurement.
6,256 rounded to 1 significant figure is 6,000
It already is rounded to three significant figures.
2300 rounded to 1 significant figure is 2000.