What is the prime factorization of 504

Simplify as much as possible:

504 = 2 x 252

252 = 2 x 126

126 = 2 x 63

63 = 3 x 21

21 = 3 x 7

7 * 3 * 3 * 2 * 2 * 2 is your prime factorization, or 7 * 3² * 2³

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since the airplane is moving with constant speed then the distance travelled can be calculated by x=u*t

in km/h would be:

x=640*3.5=2.240 km

in m/s would be:

u=640 km/h= 640.000 m/h =640.000/ 3600 m/s =177.8 m/s

t= 3.5 h= 3.5 * 3600 s=12.600 s

then x=u*t= 177.8*12.600= 2.240.280 m