Physics-Significant Figures
NEET Physics Significant Figures MCQ Question
Type: MCQ-diagram based-Medium-Class 11
Consider a number 3.1455 being rounded off to four significant figures. According to the rules for significant figures, what will the rounded number be?
A
146
B
145
C
14
D
15
Correct Answer
Option A
Detailed Explanation
When rounding to significant figures, if the digit to be dropped is 5 and the preceding digit is odd, the preceding digit is increased by 1. Here, the number becomes 3.146.
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