130
It is: 1040
21.3
The number 10.989 rounded to 3 significant figures is 11.0
2.540x10^4
It is then 2.64 when rounded to three significant figures
0.0034088 in three significant figures would be 0.00341
31,500
201
It is: 1040
21.3
0.00241
0.990
The number 10.989 rounded to 3 significant figures is 11.0
79,900
It's already there.
6.71 is 6.7050 is rounded to three significant figures.
2.540x10^4