<p>Name ______Period ______</p><p>CHAPTER 1 HOMEWORK SHEET 1. How many significant figures do each of the following numbers have: a. 142 b. 81.60 c. 7.63 d. 0.03 e. 0.0086 f. 3236 g. 8.70 x 103</p><p>2. Multiply 2.079 x 102m by 0.072 x 10-1, taking into account significant figures.</p><p>3. Add 7.2 x 103s + 8.3 x 104s + 0.09 x 106 s.</p><p>4. Express the following using the metric prefixes of Table 1-4: a. 106 volts b. 10-6 meters c. 5 x 103 days d. 8 x 102 bucks e. 8 x 10-9 pieces</p><p>5. Write the following as full (decimal) numbers with standard (base) SI units: a. 86.6 mm b. 35 V c. 860 mg d. 600 ps e. 12.5 fm f. 250 GV</p><p>6. Determine your height in meters.</p><p>7. The Sun, on average, is 93 Million miles from the Earth. How many meters is this? Express (a) using powers of ten, and (b) using a metric prefix. Name ______Period ______</p><p>8. Express the following sum with the correct number of significant figures: 1.00 m + 142.5 cm + 1.24x105m.</p><p>9. (a) How many seconds are there in 1.00 year? (b) How many nanoseconds are there in 1.00 year? (c) How many years are there in 1.00 second?</p><p>10. What are the area, and the approximate uncertainty, of a circle of radius 2.8 x 104 cm?</p><p>11. What is the percent uncertainty in the volume of a spherical beach ball whose radius is r = 3.86  00.08 m? (Reminder - Volume of a sphere = 4/3r3)</p>