Physics-Significant Figures
NEET Physics Significant Figures MCQ Question
Type: MCQ-numerical-Hard-Class 11
When rounding the number 7.835 to three significant figures, what should be the final rounded value?
A
7.83
B
7.84
C
7.830
D
7.85
Correct Answer
Option B
Detailed Explanation
According to the rounding rule, if the digit to be dropped is 5 and the preceding digit is odd, the preceding digit is raised by 1. Therefore, 7.835 becomes 7.84.
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