Home/
Competitive Exams/
JEE Main & Advanced/
Physics/
Errors and Measurements/
Question 30147
JEE Physics · Medium

Errors and Measurements: Significant Figures — Trailing Zeros MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
Significant Figures — Trailing ZerosMediumQuestion 30147

Question

How many significant figures does 4500 have if written without a decimal point?
  1. A
    2
  2. B
    3
  3. C
    4
  4. D
    Ambiguous
    Correct

Correct answer

Ambiguous

Explanation

Without a decimal point or additional indication, trailing zeros in an integer like 4500 are ambiguous — they may or may not be significant. Scientific notation removes ambiguity.

Review Errors and Measurements notesStart timed chapter practice