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
828 rounded to one significant figure is 800
470 rounded to one significant figure is 500
8.265 rounded to one significant figure is 8
6694 rounded to 1 significant figure is 7000
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
2300 rounded to 1 significant figure is 2000.
39 remains 39 when rounded to one significant figure.