Welcome to your Large and Small Numbers(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER 1. Evaluate 4512/0.05 correct to three significant figures is 90240 902 9020 90200 2. The radius of a circle is given as 10 cm subject to an error of 0.2 cm the error in the area of the circle is 1/4% 2% 4% 1/50 % 3. .25 is equal to which of the following fraction values? 4/8 1/3 1/4 2/5 4. The difference between 0.003286 correct to three significant figures and 0.003286 correct to four decimal places is 0.00009 0.0003 0.000004 0.00001 5. The number 1.5714286, corrected to 5 decimal places is 1.57142 1.57140 1.57100 1.57143 6. Write 7.43 x 10⁴ in the ordinary form. 74300 75000 0.75 0.000743 7. Which of the following answers is another way to state the value of 2? 4/6 2.0 1.5 2/2 8. Correctly rounded, the quotient 5.000 g / 50.0 mL is 0.1 g/mL 0.100 g/mL 0.1000 g/mL 0.10 g/mL The diameter of a rod is measured as 3.70 cm to three significant figures. The maximum error in the measurement is 9. Standard form of 2145.67 is 0.214*10^4 2.14567*10^3 None of the mentioned 2.14*10^3 10. The number 327,036 was corrected to 327,000. Which of the following can exactly describe the degree of approximation used?I. to 3 significant figuresII. to 4 significant figuresIII. to the nearest hundredIV. to the nearest thousand I, II and III only I, II, III and IV II and IV only I and III only 11. A bar of length 30 cm was measured as 31.7 cm. The percentage error correct to 2 significant figures is 5.7 5.67 5.0 5.4 12. 1/2 is equal to which decimal value? 0.5 0.6 0.10 0.55 13. The population of a school is 1,376. Express this to three significant figures 1,380 138 1,376 1,370 14. Express 0.000305 in standard form. 3.5 × 10^5 3.05 × 10^-4 3.05 × 10^4 3.05 × 10^-6 3.05 × 10^-5 15. Evaluate correct to two decimal places50 + 1/50 + 3/500 + 25/5000 50.03 50.02 50.20 50.30 16. The given numbers are shown with their significant figures respectively. Find out the wrong one option? 0.000460 and 3 24000. and 5 28000.0 and 5 26.24 and 4 17. Evaluate (0.48 × 6.3 × 0.56)/ (2.8 × 1.2 × 1.8) 0.56 0.028 2.8 0.28 18. Find correct to 0ne decimal place: 0.31744 ÷ 0.0407 7.9 0.8 8.0 7.8 19. 0.0004853 can be written as 4.85 x 10⁴ 4853 x 10⁴ 4.85 x 10‾⁴ 0.48 x 10‾⁴ 1 out of 20 Time is Up! Time's up