# Scientific Figures Essay

298 Words2 Pages
Significant Figures/Scientific Notation Question 1 How many significant figures are in the following values? a. 4.02 x 10-9 b. 0.008320 c. 6 x 105 d. 100.0 Question 2 How many significant figures are in the following values? a. 1200.0 b. 8.00 c. 22.76 x 10-3 d. 731.2204 Question 3 Which value has more significant figures? 2.63 x 10-6 or 0.0000026 Question 4 Express 4,610,000 in scientific notation. a. with 1 significant figure b. with 2 significant figures c. with 3 significant figures d. with 5 significant figures Question 5 Express 0.0003711 in scientific notation. a. with 1 significant figure b. with 2 significant figures c. with 3 significant figures d. with 4 significant figures Question 6 Perform the calculation with the correct number of significant digits. 22.81 + 2.2457 Question 7 Perform the calculation with the correct number of significant digits. 815.991 x 324.6 Question 8 Perform the calculation with the correct number of significant digits. 3.2215 + 1.67 + 2.3 Question 9 Perform the calculation with the correct number of significant digits. 8.442 - 8.429 Question 10 Perform the calculation with the correct number of significant digits. 27/3.45 Answers 1. a. 3 b. 4 c. 1 d. 4 2. a. 5 b. 3 c. 4 d. 7 3. 2.63 x 10-6 4. a. 5 x 106 b. 4.5 x 106 c. 4.61 x 106 d. 4.6100 x 106 5. a. 4 x 10-4 b. 3.7 x 10-4 c. 3.71 x 10-4 d. 3.711 x 10-4 6. 25.06 7. 2.649 x 105 8. 7.2 9. 0.013 10.