Chemistry, 19.09.2020 01:01 hailey200127

17. Challenge Express each answer in scientific notation in the units indicated. a. (1.26 X 104 kg) + (2.5 x 108 g) in kg
b. (7.06 g) + (1.2 x 10-kg) in kg
c. (4.39 x 105 kg) - (2.8 x 107g) in kg
d. (5.36 x 10-kg) – (7.40 x 10-2 kg) in g

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17. Challenge Express each answer in scientific notation in the units indicated. a. (1.26 X 104 kg)...