2 significant figures.
153.7 to 2 significant figures is 150.
100 has one, 150 has 2, 250 has 2.
147.658 to two significant figures is 150.
How many significant figures are in 20.8
3 significant figures.
It has 3 significant figures.
153.7 to 2 significant figures is 150.
It would appear to have 2 significant figures, but if there is a decimal place after the 0 (so, 150.) then it is three.
151.208 to 2 significant figures is 150.
100 has one, 150 has 2, 250 has 2.
147.658 to two significant figures is 150.
How many significant figures are in 20.8
There are 3 significant figures in 94.2.
The number whose farthest right significant digit determines it. Whatever place that digit is in is the last significant digit in the sum. For example: 433 + 150 + 3.67 + 8000 = 8586.67, but in sig figs this is only 9000, as the thousands digit is the lowest digit that can be represented.
3 significant figures.
4 significant figures.
5 significant figures.