Use scientifie notation to write down the following astronomical quantities Dist
ID: 285533 • Letter: U
Question
Use scientifie notation to write down the following astronomical quantities Distance Earth-Sun = AU light-year (ly)=- speed of light 1 year km- miles miles/hr days min- scc km Earth mass .. Sun mass 8F Hubble Constant= (km/s/Mpc) 14 billion ycars see Note: 1 km= 0.6214 mile SECTION 5: SI Units (Metric System) and Conversions Answer the following: A- Give the fundamental metric unit for cach of the followang Length Time Mass B- Write dowa the power of ten foros meaning of these prefixes éenti (c)Explanation / Answer
Distance Earth - Sun = 149,597,870.7 km = 1AU
1 light year = 9.461 x 1012 km = 5.879 x 1012 miles
Speed of light = 2.997 x 108 m/s = 6.706 x 108 miles per hour
1 year = 365.25 days = 8766 hours = 525,960 minutes = 31,557,600 seconds
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