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.