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The radius of the Sun is 696,000,000 meters. What is the radius of the Sun in nanometers? Express your answer in scientific notation with proper significant figures. Show your work for your unit conversion.

If you are to measure the distance to a dwarf planet in the Kuiper belt, what unit should you use? 

If you are to measure the distance to a dwarf planet in the Kuiper belt, what unit should you use? 

Earth is located at 1 AU, and light takes ~8 minutes to travel from the Sun to our planet. If we lived on Mars instead, which is located at 1.5 AU, how long would it take sunlight to reach us on Mars?

If a newly discovered planet is located 10 light-years away, how long will it take light to travel from Earth to this planet? If you are traveling at 1/2 the speed of light to reach this planet, how long will it take you to reach this planet? If you travel at 1/10 light speed, how long will it take you to arrive?

Earth is approximately 13,000 km = 1.3 x 10^4 km. The Sun is approximately 1,400,000 km or 1.4 x 10^6 km.  Which object is larger and by how many orders of magnitude? 

Earth is approximately 13,000 km = 1.3 x 10^4 km. The Sun is approximately 1,400,000 km or 1.4 x 10^6 km.  Which object is larger and by how many orders of magnitude? 

Is the Solar system a significant or unique system in the universe? Why or why not?

metoprolol XL (Toprol XL ) has the following effects on cardiac mechanical properties:

metoprolol XL (Toprol XL ) has the following effects on cardiac mechanical properties: