Physics Units, Dimensions and Measurement Karnataka - CET Previous Year Question MCQ (Single Correct)

The number of significant figures in the numbers and 48000.50 are respectively

A
5 and 6
B
5 and 7
C
2 and 7
D
2 and 6

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Text Solution

Verified by Experts
The correct answer is:
B

: All the non-zero digits are significant. The trailing zero (s) in a number with decimal point are significant. Power of 10 is irrelevant for the determination of significant figures. Hence, has 5 significant figures. All the non-zero digits are significant. All the zeros between two non-zero digits are significant, no matter where the decimal point is. The trailing zero(s) in a number with decimal point are significant. Hence, 48000.50 has 7 significant figures.

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