F2 Class Quiz 12 (week 18)

QuizÂ by math enhancement

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17 questions
• Q1
Write down the first significant figure of: 565
Users enter free text
45s
• Q2
Write down the first significant figure of: 0.00456
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45s
• Q3
How many significant figures are there in the number: 6 008
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60s
• Q4
How many significant figures are there in the number: 0.0306
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60s
• Q5
How many significant figures are there in the number: 1440
Users enter free text
60s
• Q6
How many significant figures are there in the number: 50.0210
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60s
• Q7
Round off the following number to 1 significant figure: 0.543
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60s
• Q8
Round off the following number to 1 significant figure: 2 080
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60s
• Q9
Round off the following number to 2 significant figures: 2 080
Users enter free text
60s
• Q10
Round off the following number to 2 significant figures: 0.1975
0.19
0.2
0.20
0.21
60s
• Q11
How many significant figures are there in: 32.0, correct to the nearest 0.1
1
3
2
60s
• Q12
How many significant figures are there in: 0.007 00, correct to 5 decimal places
3
1
5
4
60s
• Q13
Round off each number involved to 1 significant figure. Then, estimate the value of the expression. 5 974 x 3.18
2000
1800
1500
180
60s
• Q14
The length of a ruler is measured as 20 cm,and the actual length is 20.2 cm. Find the absolute error.
0.1 cm
-0.2 cm
20.2 cm
0.2 cm
60s
• Q15
The length of a ruler is measured as 20 cm, correct to the nearest 1 cm. Find the maximum error of the measured length.
0.5 cm
20 cm
2 cm
1 cm
60s

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