Question

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A) 4 x 10^6 m + 2 x 10^6 m
B) 5.3 x 10^-11 kg -3.6 x 10^-11 kg
C) 5.0 x 10^7 kg + 5 x 10^8 kg
D) 8.0 x 10^4 kg + 3 x 10^3 kg
E) (2 x 10^3 kg)_(3 x 10^3 m)