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Question 1 of 9

Round each of 63.891 and 0.6734 to 2 decimal places and then multiply the numbers together. Give the answer to 2 decimal places.

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42.81

63.891 = 63.89 to 2 decimal places
0.6734 = 0.67 to 2 decimal places

You only need the answer to 3 decimal places initially:
63.89 x 0.67 = 42.806
63.89 x 0.67 = 42.81 to 2 decimal places

No, that is not the correct answer.

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Question 2 of 9

Multiply 120 by 13 and give the answer to 6 significant figures.

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1560.00

120 x 13 = 1560
120 x 13 = 1560.00 to 6 significant figures


No, that is not the correct answer.

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Question 3 of 9

What is 0.632 x 1000 to 3 decimal places?

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632.000

0.632 x 1000 = 632
0.632 x 1000 = 632.000 to 3 decimal places


No, that is not the correct answer.

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Question 4 of 9

How many significant figures are there in 0.00346?

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3

The zeros before and after the decimal point are not significant. They just show the magnitude of the number.


No, that is not the correct answer.

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Question 5 of 9

What is 1.00237814 to 3 significant figures?

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1.00

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Question 6 of 9

What is 267.004943 to 2 decimal places?

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267.00

No, that is not the correct answer.

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Question 7 of 9

How many significant figures are there in 100.00?

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5

All the zeros are significant.

No, that is not the correct answer.

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Question 8 of 9

How many significant figures are there in 0.00100?

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3

The zeros before and after the decimal point are not significant but the zeros after the digit 1 are significant.

No, that is not the correct answer.

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Question 9 of 9

What is 67 x 0.397 to 2 decimal places?

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26.60

You only need to know the answer to 3 decimal places initially:
67 x 0.397 = 26.599
67 x 0.397 = 26.60 to 2 decimal places

No, that is not the correct answer.

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