0.1
37.753 rounded to one significant figure becomes 40
The first significant figure of 0.000169 is the 1 and it has 3 significant figures.
There are a many great ways in which you could add significant figures. You could simply add them with math.
18.4 rounded to one significant figure becomes 20
0.019 to 1 significant figure is 0.02 (significant figure is counted from the left with 1st significant being the first non-zero from the left)
0.3
0.1
37.753 rounded to one significant figure becomes 40
It has 1 significant figure.
4252 to 1 significant figure is 4000.
4916 to 1 significant figure is 5000
Rounded to 1 significant figure it is 0.4
9753261 to 1 significant figure is 10,000,000
1150 to 1 significant figure is 1000
654 rounded to one significant figure becomes 700.
1534 to 1 significant figure is 2000.