0.1
37.753 rounded to one significant figure becomes 40
0.0712 rounded to one significant figure is 0.1. In this case, the first significant figure is the digit '7', but since we only want one significant digit, we round it based on the next digit, which is '1'. Thus, the final answer is expressed as 0.1.
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
37.753 rounded to one significant figure becomes 40
It has 1 significant figure.
Rounded to 1 significant figure it is 0.4
4916 to 1 significant figure is 5000
1150 to 1 significant figure is 1000
9753261 to 1 significant figure is 10,000,000
4252 to 1 significant figure is 4000.
654 rounded to one significant figure becomes 700.
1534 to 1 significant figure is 2000.
0.00009893 to 1 significant figure = 0.0001