After watching an advertisement for hand sanitizer on television, ben decided to see just how effective the advertised hand sanitizer really was. ben used warm water as his control. he compared the advertised sanitizer with two brands of hand soap. in all four trials he rubbed his hands together for two minutes. after using the three products and the control, he cultured the bacteria on his hands. he recorded the number of bacterial cultures that appeared on each culture plate. ben's results can be seen in the data table. ben concluded that both brands of soap were more effective in killing bacteria than the advertised hand sanitizer. what term best describes ben's results for all four trials? a) biased b) inconclusive c) qualitative d) quantitative
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Physics, 22.06.2019 11:00
If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c
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Assume you measured the mass of the cart to be (500 ± 1) g and the mass of the additional mass you put on the cart to be (500 ± 1) g as well. since the scale you are using in the lab cannot measure objects heavier than 600g you will have to sum up individual pieces and propagate the error. so what would be the mass and the standard error of the cart and the mass
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Physics, 22.06.2019 15:50
If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?
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After watching an advertisement for hand sanitizer on television, ben decided to see just how effect...
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