Q1. The number significant figures in 0.00853 is?

A) 3
B) 4
C) 5
D) 6

Q2. The number of significant figures in 3721500 is

A)7
B)6
C)5
D)4

Q3. The number of significant figures in 3721500 is

A)7
B)6
C)5
D)4