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27 October, 00:56

Laura's science teacher gave each student in her class 25.0 grams of iron pellets for an experiment. Each student was required to verify the mass of their pellets by taking four measurements. Which of Laura's measurement was the most precise of the four recorded?

A) 24.99 grams

B) 25.012 grams

C) 25.0122 grams

D) 25.05 grams

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  1. 27 October, 01:01
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    The given samples are supposed to weigh 25.0 grams. This value is the basis when we talk about accuracy. In this case, we are talking about precision, so we opt to select the most 'precise' of the choices. The most precise measurement is C) 25.0122 grams. This is because it records up to + - 0.0001 grams.
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Home » Mathematics » Laura's science teacher gave each student in her class 25.0 grams of iron pellets for an experiment. Each student was required to verify the mass of their pellets by taking four measurements.
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