0.3
It has 1 significant figure.
4252 to 1 significant figure is 4000.
9753261 to 1 significant figure is 10,000,000
1150 to 1 significant figure is 1000
0.3
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
1534 to 1 significant figure is 2000.
6694 rounded to 1 significant figure is 7000
10920 to 1 significant figure is 10000
The first significant figure of 0.000169 is the 1 and it has 3 significant figures.