Precision in Measurement Answers

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1
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Luka and Anja each measured the height of their friend three times. Their friend is 59 inches tall. They recorded their measurements as shown.Luka:59 in., 58, in., 58 in.Anja:59.3 in., 59.6 in., 58.2 in.

A
Luka’s measurements are more precise and more accurate.
B
Anja’s measurements are more precise and more accurate.
C
Luka’s measurements are more precise, but Anja’s measurements are more accurate.
D
Luka’s measurements are more accurate, but Anja’s measurements are more precise.
2
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How many significant figures does 0.0560 have?

A
2
B
3
C
4
D
5
3

Which values have exactly three significant figures? Select two options.

A
0.0230 grams
B
0.035 ounces
C
0.804 inches
D
3.150 liters
E
140 feet
4

A scale measured a 4.5-pound brick as weighing 5.3 pounds. Which measurement is more accurate but less precise than 5.3 pounds?

A
4.98 pounds
B
5 pounds
C
5.52 pounds
D
6 pounds
5

What is the greatest possible error if Bruce measured a buckle as 3.2 cm using the ruler?

Question illustration
A
0.5
B
0.05
C
0.005
D
0.0005
6

What is the greatest possible error if Irina measured the length of her window as 3.35 feet?

A
0.5
B
0.05
C
0.005
D
0.0005
7

Craig measured a length as 0.034 millimeters. What is the margin of error?

A
0.03 mm to 0.04 mm
B
0.033 mm to 0.034 mm
C
0.0335 mm to 0.0345 mm
D
0.0345 mm to 0.0350 mm
8

What is the difference of the given values to the correct level of precision? 8.501 cm–0.27 cm

A
8 cm
B
8.2 cm
C
8.23 cm
D
8.231 cm
9

What is the quotient of the given values to the correct level of precision?16.017 in. ÷ 0.370 in.

A
43
B
43.289
C
43.29
D
43.3
10

Marta measured the temperature as 65°F. What is the margin of error?

A
60°F to 70°F
B
64°F to 66°F
C
64.5°F to 65.5°F
D
65.5°F to 66.5°F

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