Our density did not fall within the range calculated. We believe we had zinc for an unknown metal because the density was near our value but outside the range.
The wider the range the higher the percent chance you would fall within that range.
The power for the lightbulb we calculated at 67.7 milliwatts or 0.677 watts.
I do use excel on a daily basis. I encourage my students to use it as well.
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