A number with only 1 significant figure can't be rounded to 3 significant figures
There are 2 or 3 significant figures. It could be 894° rounded to 2 significant figures; It could be 889.6° rounded to 3 significant figures.
The rules for rounduing off numbers are as follows :- 1) If the first figure to be discarded is 5 or more, then the previous figure is increased by 1. Example : 5.1935 = 5.194 (4sf) = 5.19 (3sf) = 5.2 (2sf) = 5 (1sf) 2) Zeros must be kept to show the position of the decimal point or to indicate that zero is a significant figure. 1347 . . . when rounded to 3 significant figures then the 7 is discarded so 4 increases to 5. Thus, 1347 becomes 1350 (3sf). When rounded to 2 significant figures it becomes 1400 and to one significant figure 1000.
It is 36.9 rounded to 3 significant figures
Three significant figures would be 29.5cm.
56,870 rounded to 3 significant figures is 56,900
16.275 rounded to 3 significant figures is 16.3
0.000709999 rounded to 3 significant figures is 0.000710
0.092347 rounded to 3 significant figures is 0.0923
1.0479 rounded to 3 significant figures is 1.05
It is: 98900 rounded to 3 significant figures
It is then 12100 when rounded to 3 significant figures
Rounded to 3 significant figures it is 0.0328
It is 0.00984 rounded to 3 significant figures
A number with only 1 significant figure can't be rounded to 3 significant figures
7.38809 rounded to 3 significant figures is 7.39.
There are 2 or 3 significant figures. It could be 894° rounded to 2 significant figures; It could be 889.6° rounded to 3 significant figures.