Question

The number of significant figures in all the given numbers 25.12, 2009, 4.156 and $1.217 \times 10 ^ { - 4 }$ is

• A. 1
• B. 2
• C. 3
• D. 4

Answer 1

Answer: (D)

4

Answer 2

The number of significant figures in all of the given number is 4.