Question 1

Which estimate is better: 6% error or 11% error? Explain briefly.

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Question 2

Which quantity is exact?

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Question 3

Measured 95, actual 100. Find the percentage error.

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Question 4

Measured 18, actual 20. Find the percentage error.

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Question 5

Round 18.376 to 1 decimal place.

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Question 6

Round 0.09137 to 2 significant figures.

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Question 7

Round 0.00581 to 2 significant figures.

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Question 8

State which is more accurate: relative error 0.03 or 0.12.

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Question 9

What does 3 significant figures mean?

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Question 10

Round 7.846 to 2 decimal places.

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Question 11

Measured 9.8, actual 10.0. What is the absolute error?

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Question 12

Which formula is relative error?

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Question 13

Which is more accurate?

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Question 14

A relative error of 0.05 is what as a percentage?

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Question 15

Round 5384 to 2 significant figures.

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Question 16

Measured 15.2, actual 15.0. Find the absolute error.

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Question 17

Absolute error is 0.4 and actual value is 20. Find the relative error.

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Question 18

A calculator gives 12.4987. Write it to 3 significant figures.

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Question 19

Measured 51, actual 50. Find the percentage error.

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Question 20

A student gets percentage error 0.7%. Is this more or less accurate than 5%?

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Topic 1.6: Laws of Exponents and Logarithms Questions

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