Question 1

A distance is 15 km correct to nearest km. What is the greatest possible true distance?

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Question 2

Measured 49, actual 50. What is the percentage error?

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Question 3

Round 7.846 to 2 decimal places.

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Question 4

Round 0.00581 to 2 significant figures.

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Question 5

Round 18.376 to 1 decimal place.

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Question 6

Which quantity is exact?

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Question 7

Which formula is relative error?

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Question 8

Round 5384 to 2 significant figures.

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Question 9

A relative error of 0.05 is what as a percentage?

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Question 10

What does 3 significant figures mean?

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Question 11

Measured 95, actual 100. Find the percentage error.

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Question 12

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

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Question 13

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

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Question 14

A value is 4.7 correct to 1 decimal place. What is the lower bound?

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Question 15

A value is 230 correct to 2 significant figures. What is the upper bound?

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Question 16

Which interval matches 8 cm correct to nearest cm?

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Question 17

A time is 2.3 s correct to 1 decimal place. What is the upper bound?

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Question 18

Which is more accurate?

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Question 19

A length is 9.6 cm correct to 1 decimal place. Write the bounds.

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Question 20

Which percentage error is more accurate?

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Topic 1.6: Laws of Exponents and Logarithms Questions

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