The SI unit of length is the meter. Multiply the number of light-years by 9.5 x 1015.
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4 light years means distance traveled by light in 4 years of time.
Lets see how many seconds does 4 year have
4*365*24*60*60
126144000 sec
Now multiply this with velocity of light
3*10^8*126144000
378432000*10^8
3.78432*10^16 m.....
The standard SI unit for measuring distance is the meter. One light year is approximately 9.461 x 10^15 meters, so 4 light years would be 3.7844 x 10^16 meters.
The SI standard unit for length is the meter (m).
The standard SI unit for distance is the meter. If you add a standard prefix, like kilo, milli, etc., it can still be considered an SI unit.The standard SI unit for distance is the meter. If you add a standard prefix, like kilo, milli, etc., it can still be considered an SI unit.The standard SI unit for distance is the meter. If you add a standard prefix, like kilo, milli, etc., it can still be considered an SI unit.The standard SI unit for distance is the meter. If you add a standard prefix, like kilo, milli, etc., it can still be considered an SI unit.
There is not a standard SI unit to measure sphericity.
The SI standard unit for measuring length is the meter (m).
Gram.