14)6.95 m = _________nm 6) (4.0 4.05 X 10-6 kg )+ (2.1 X 10 -5 kg )= 15)1.45 X 10 7 mg =___________g 7) (9X 103 A ) – ( 3 X 10 2 A ) 16)58 m = ___________pm 8) (5.8 X 10 -4 s) – (1.4 X 10 -5 s ) 17)906 Mg= ___________g 9)
(9X102 kg) (3 X 10 6 m) 18)321 s= ____________hs
10) (8.1 X107 m) (9X105 s) 19)87.3 µm= ___________Gm