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Chemistry, 11.07.2019 09:30 mildredelizam
Express in scientific notation. choose the answer with the proper number of significant figures. (3 x 10^4) (4 x 10^23) = a. 12^27 b. 12 x 10^27 c. 10 x 10^27 d. 1 x 10^28 i thought it was b but that's incorrect
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Lab reagent, hypothesis test.a reference solution used as a lab reagent is purported to have a concentration of 5 mg/dl. six samples are taken from this solution and the following concentrations are recorded: (5.32, 4.88, 5.10, 4.73, 5.15, 4.75) mg/dl.these six measurements are assumed to be an srs of all possible measurements from solution.they are also assumed to have a standard deviation of 0.2, a normal distributin, and a mean concentration equal to the true concentration of the solution.carry out a significance test to determine whether these six measurements provide reliable evidence that the true concentration of the solution is actually not 5 mg/dl.
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Express in scientific notation. choose the answer with the proper number of significant figures. (3...
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