Concepts Of Physics MCQ Edition [Volume 1]PhysicsPhysics and Mathematics
Round the value 3472 off to 2 significant digits.
Options
- A35
- B3400
- C3470
- D3500
Correct answer
D. 3500
Step-by-step solution
The given number is 3472 . To round off to 2 significant digits, we consider the first two digits, which are 3 and 4 . The third digit is 7 , which is greater than 5 . According to the rules of rounding off, the preceding digit 4 is increased by 1 to become 5 . The remaining digits are replaced by zeros to maintain the magnitude of the number. Therefore, 3472 rounded off to 2 significant digits is 3500 .