Name
Name: __________________ Period:______ Due: _____________
POW #3 _______out of 16
Part I: Multiple Choice – Show all work! No calculator! [1 point each]
|1) What is the value of |2) What is the number 0.00000482 written in scientific notation? |
|[pic] | |
|a) [pic] | |
| | |
|b) [pic] |a) 4.82 x 106 |
| |b) 4.82 x 105 |
|c) 7 |c) 4.82 x 10-5 |
| |d) 4.82 x 10-6 |
|d) 73 | |
|3) What is the value of 5-4 ÷ 5-1? |4) Light travels at a speed of approximately 300,000,000 meters per second. How|
| |is this number expressed in scientific notation? |
| | |
|a) 20 | |
| |a) 3 × 108 |
|b) 625 | |
| |b) 3 × 109 |
| | |
| |c) 300 × 106 |
|c) [pic] | |
| |d) 300 × 109 |
|d) [pic] | |
Part II: Multiple Choice – Show all work! Calculator allowed! [1 point each]
|5) Find the value of the expressions below. |6) The population of a city is 6.9 x 106 people. Over the next ten years, the |
| |population increases by 1.2 x 105 people. What is the new population of the |
|[pic] |city? |
|a) 256 | |
| | |
|b) 16 | |
| | |
|c) [pic] | |
| | |
|d) [pic] | |
| |a) 7.02 x 106 |
| |b) 7.02 x 1011 |
| | |
| |c) 8.1 x 106 |
| |d) 8.1 x 1011 |
Part III: Extended Response – You may use calculator. Show all work!!!!!!
|7) Atoms are made of three elementary particles: protons, electrons, and neutrons. The mass of a proton is about 1.67 x 10-27 kg. The mass of an electron is about|
|0.000000000000000000000000000000911 kg. The mass of a neutron is about |
|1.68 x 10-27. Which particle has the least mass? Which particle has the greatest mass? |
|(2 points) |
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|Least __________________________ |
|Greatest_________________________ |
|8) The average distance between Earth and the sun is 93,000,000 miles. The average distance between Jupitar and the sun is 465,000,000 miles. Using scientific |
|notation, answer the questions below: (5 points) |
|Write the distance between Earth and the sun in scientific notation. |
|Write the distance between Jupiter and the sun in scientific notation. |
|How many times further from the Sun is Jupitar than Earth? |
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|a) _____________________ b) ________________ c) ________________________ |
|9) Simplify: 18 – [pic] (3 points) |
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|Answer _______________ |
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