1) 3600 sec in an hour (3600 x 24 x 365) = 31,536,000 sec
2) 100 cm in 1 m (.14 x 100) = 14 cm
3) 1000 g in 1 kg (20/1000) = .02 kg
4) 10^-9 m = 1 nm (637 x 10^-9) = 6.37 x 10 ^-7m
5) 1000 m in 1 km (1000 x 3.2) = 3200 m
6) 10^-6 m in 1 micrometers (24 x 10^-6) = 2.4 x 10^-5