Welcome to your Large and Small Numbers(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER 1. The population of a school is 1,376. Express this to three significant figures 138 1,380 1,376 1,370 2. The number 1.5714286, corrected to 5 decimal places is 1.57100 1.57143 1.57140 1.57142 3. 0.73672 can be written as 7.37 x 10¹ 0.736 x 10‾¹ 7.37 x 10‾¹ 0.736 x 10¹ 4. The given numbers are shown with their significant figures respectively. Find out the wrong one option? 28000.0 and 5 26.24 and 4 24000. and 5 0.000460 and 3 5. Write 8.89 x 10‾²¹ in the ordinary form. 0.00000000000000000000889 890 8900000000000 889000000000000000000000 6. 0.0004853 can be written as 4.85 x 10⁴ 4.85 x 10‾⁴ 0.48 x 10‾⁴ 4853 x 10⁴ 7. Write 5.68 x 10‾⁹ in the ordinary form. 0.00000000568 0.00000057 568 568000000000 8. Reduce each number in the following expression to two significant figures and then evaluate:(0.04371 × 2.44913)/ 0.047512 1.8 2.4 2.2 1.6 9. Write 7.43 x 10⁴ in the ordinary form. 0.000743 74300 0.75 75000 10. What is 1/3 as a decimal? 0.5 1.23 1.3 0.33 0.1 11. Evaluate (0.48 × 6.3 × 0.56)/ (2.8 × 1.2 × 1.8) 0.028 0.28 2.8 0.56 12. Evaluate 4512/0.05 correct to three significant figures is 9020 902 90240 90200 13. Calculate (4 × 10²) × (9 × 10³) giving your answer in standard form. 3.6 × 10^2 3.6 × 10^6 3.6 × 10^4 3.6 × 10^5 3.2 × 10^3 14. Write 5.48 × 10-4 as a decimal fraction. 0.0548 0.000548 0.00548 0.00000548 0.0000548 15. Standard form of 2145.67 is 2.14567*10^3 0.214*10^4 2.14*10^3 None of the mentioned 16. The difference between 0.003286 correct to three significant figures and 0.003286 correct to four decimal places is 0.0003 0.00009 0.00001 0.000004 17. 74956399 can be written as 7495 x 10⁷ 7.50 x 10⁷ 0.750 10⁷ 7.49 x 10⁷ 18. What is 50% as a fraction? 1/2 5/100 2/10 1/3 19. A bar of length 30 cm was measured as 31.7 cm. The percentage error correct to 2 significant figures is 5.7 5.0 5.67 5.4 The value of √(42,000) correct to three significant figures is 1 out of 20 Time is Up! Time's up
