1 a.u. = 149 598 x 10 m
1 a.u. = 149 598 x 10 km
1 a.u. = 149.598 x 10 km
1 a.u. = 1.49598 x 10 km
1 a.u. = 0.149598 x 10 km
Among the six preceding answers, which one is a writing in scientific notation?
? the first the second the third the fourth the fifth