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Savvas 8th Ch 2 L2 Mathematics and Scientific Thinking

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Last updated over 2 years ago
10 questions
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Question 1
1.

A student on the archery team gets all her arrows in the same spot on the target. They are all outside the bull’s eye. Which best describes her results?

Question 2
2.

A student added the measurements 36.67 g and 4.1 g. Which of the following expresses the sum with the correct number of significant figures?

Question 3
3.

Which of the following shows the mean with the correct number of significant figures for the numbers 15.6, 14.1, 7.7, 12.9, 12.9?

Question 4
4.

A student calculated the density of tin to be 7.20 g/mL. The actual density of tin is 7.29 g/mL. Which of the following is his percent error?

Question 5
5.

An estimate is an approximation of a number based on reasonable assumptions.

Question 6
6.

Accuracy refers to how close a group of measurements are to each other.

Question 7
7.

The mean is the middle number in an ordered set of data.

Question 8
8.

The median appears most often in a list of numbers.

Question 9
9.

To find percent error, you subtract the true value from the experimental value and divide by the true value.

Question 10
10.

The anomalous data in a measurement include all digits measured exactly, and one estimated digit.