University:
High School
Course:
High School Physics
Academic year:

2024
Views:

51

Pages:

2
Author:

Clint W.

Name:________________________ Per:____ Scientific Notation Practice Problems Part I- Format & Basics 1) Based on your notes from class, write the generic format for using scientific notation. 2) How many digits should be in front of the decimal when using scientific notation? 3) What does it mean when the exponent is positive? 4) What does it mean when the exponent is negative? Part II- Express in scientific notation or long hand (make sure sig figs match). 5) 8 800 000 000 m 6) 0.0015 kg 7) 0.000 000 000 06 kg/m3 8) 800 200 Hz 9) 0.009 003 amp 10) 70 000 000 000 000 000 km 11) 6028 L 12) 0.2015 g 13) 600 005 000 kJ/h 14) 33.8 m2 15) 2.5 x 103 cm 16) 5.93 x 10-8 g Part III- Complete the following calculations. Answer in scientific notation with correct sig. figs. & units. 17) (2.75 x 10-4 m)(8.03 x 10-5 m) 18) (7.20 x 10 3 cm)(8.08 x 103 cm)(3.6 x 102 cm) 19) 9.571 x 103 kg 3.82 x 101 m2 21) (2.3 x 106 m) 20) 5.21 x 108 m3 1.2 x 10-2 m (5.31 x 103 m) (8.3 x 105 s) Part IV- No calculator 23) (3.5 x 102 cm)(4.00 x 103 cm) = 22) (5.4 x 109 mL) 24) 6.42 x 105 cm2 2.0 x 103 cm (1 x 100 L) (1 x 103 mL) = Dimensional Analysis & Metric Practice Problems Use Dimensional Analysis to solve following problems (show conversion factors, work, units, & sig figs). 1. How many steaks did Gerald eat if he drank 32 milkshakes? (For every 2 steaks that Gerald eats, he drinks 3 milkshakes) Conversion Factor(s) Set-up 2 steaks or 3 milkshakes 3 milkshakes 2 steaks 2. How many quacks are in 2.73 squiggles? (3 squiggles equal 2 quacks) Conversion Factor(s) Set-up 3. How many aliens are in 11.2 armies? (There are 8 aliens in 5 pods, and 3 pods in 4 armies) Conversion Factor(s) Set-up Complete the following metric calculations (show conversion factors, work, units, & sig figs). 4. A length of 16.45 m in centimeters 5. A length of 16.45 m in kilometers Conv Factor Set-up Conv Factor Set-up 6. A mass of 0.014 grams in milligrams Conv Factor Set-up 7. Convert 548.6 mLto L Conv Factor Set-up 8. Convert 1.57 km to m Conv Factor Set-up 9. Convert 1.2 L to mL Conv Factor Set-up 10. How much oil, in liters, is consumed if the automobile is driven 20,000 km? (A car uses 0.05 mL of oil for each kilometer driven). Conv.Factor(s) Set-up 11. How much vanilla extract, in liters, should the baker order to make 800 cakes? (1 tsp = 5 mL) (A baker uses 1.5 tsp of vanilla extract in each cake). Conv. Factor(s) Set-up 12. (1 mole = 6.02 x 1023 particles)(1 mole of carbon= 12.01 grams). How much would 1.2 x 1024 atoms of carbon weigh in grams? Conv. Factor(s) Set-up