3 10 8 m s 1 July 8, 2019 16 32 64 128 3 10 8 m s 1.50 3 10 8 m s 1.33 3 10 8 m s 1.47 3 10 8 m s 1.44 3 10 8 m s 1.7 3 10 8 m s 1.4 3 10 8 ms 1 has significant figures 3 10 8 m s 2 10 8 3 10 8 m s 2.25 10 8 3 8×10
