Question
Two gold pieces weigh 20.15 g and 20.17 g. What is the difference in the masses of the pieces to correct significant figures?
Solution
Mass of first gold piece = 20.17 g
Mass of second gold piece = 20.15 g
Difference in the masses of two pieces is,
Here, masses of pieces are known upto second decimal place.
Difference is also upto second decimal place.
Hence the difference in the masses is 0.02g.
Mass of second gold piece = 20.15 g
Difference in the masses of two pieces is,
Here, masses of pieces are known upto second decimal place.
Difference is also upto second decimal place.
Hence the difference in the masses is 0.02g.
