3.42*10^-5
0.0034088 in three significant figures would be 0.00341
130
0.00241
201
31,500
21.3
0.990
It is: 1040
The number 10.989 rounded to 3 significant figures is 11.0
It's already there.
6.71 is 6.7050 is rounded to three significant figures.
To round 6767.5 to three significant figures, we identify the first three significant digits, which are 6, 7, and 6. The next digit (7) indicates that we round the last significant digit (6) up to 7. Therefore, 6767.5 rounded to three significant figures is 6770.