Answer:
120 x 10^-4
Step-by-step explanation:Multiplying 1.2 by 10^2 and multiplying 10^-2 by 10^-2.Gives 120 x 10^-4 So, the mass of an average grain of rock salt is 120 x 10^-4 .
Answer:
Multiplying 1.2 by 10^2 and multiplying 10^-2 by 10^-2 gives 120 x 10^-4. So, the mass of an average grain of rock salt is 120 x 10^-4.
Step-by-step explanation:
Edmentum answer
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