Home MCQs on Significant figures MCQs on Significant figures personSpeed Up Science May 28, 2025 0 share Significant Figures Quiz Quiz on Significant Figures 1. How many significant figures are in 0.00450? 2 3 4 5 Correct answer: 3 2. Which number has exactly 4 significant figures? 0.0700 7000 7.000 0.007 Correct answer: 7.000 3. Trailing zeros are significant only if: They come before the decimal They are between two digits They are after a decimal and after a digit They come in large numbers Correct answer: They are after a decimal and after a digit 4. How many significant figures are in 0.00720? 2 3 4 5 Correct answer: 3 5. 2.300 × 10³ has how many significant figures? 2 3 4 5 Correct answer: 4 6. Which of the following has 2 significant figures? 0.0020 20 2.0 2000 Correct answer: 2.0 7. How many significant figures are in 1001? 2 3 4 5 Correct answer: 4 8. Zeros between non-zero digits are: Never significant Sometimes significant Always significant Only significant in decimals Correct answer: Always significant 9. Which number has only 1 significant figure? 0.007 0.070 7.0 70.0 Correct answer: 0.007 10. In scientific notation, the number of significant figures equals: The number of digits before the decimal All digits in the coefficient All digits after the decimal The exponent only Correct answer: All digits in the coefficient Submit Facebook Twitter Whatsapp Newer Older