Male children are encouraged to attend the university.
It seems you need to move the decimal three times over, then you round the number. So the answer would be 5.5 x 10^3.
The average distance from Mars to the sun is 228 million km. What is this distance in kilometers? In scientific notation, it's 2.49209300 x 108 km. The wavelength of yellow light is approximately 0.00000058m.
