Mac measured the density of silver three times and calculated the following percent errors. Trial 1: 0.95%; Trial 2: 2.86%; Trial 3: - 3.81% Which of Mac's trials is the most accurate?

Question

Physics

Aleena Vazquez

18 November, 02:35

Mac measured the density of silver three times and calculated the following percent errors. Trial 1: 0.95%; Trial 2: 2.86%; Trial 3: - 3.81% Which of Mac's trials is the most accurate?

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Valentino Cooke · Answer 1

I actually wrote this on Yahoo Answers 4-5 Years ago. So here you go!

*=Answer

Trail 1: (10.6.10.6) x 100/10.5 = 0.95%*

This was positive error. Trail 3 shows a negative error of (9.6=10.5) x 100/10.5 = - 8.57%