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 .
<span>Simplify the rational expression. State any restrictions on the variable.
A. t + 4; t ≠ 8 B. - t + 4; t ≠ - 8 C. t - 4; t ≠ - 8 D. - t - 4; t ≠ 8
I think it would be C.
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3,000 + 500 + 10 + 6 + 0.5 + 0.06 + 0.008
Answer:
Step-by-step explanation:
3 x 7 x 7 x 7 x 7 = 21 x 7 = 147 x 7 = 1029 x 7 = 7203
2 x 9 x 9 x 9 x 2 x 9 = 26244