82815
Beschreibung
Quiz von Ellen Billingham, aktualisiert more than 1 year ago
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Erstellt von Ellen Billingham
vor fast 11 Jahre
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Frage 1
Frage
What is the lower bound of 32 if it has been rounded to the nearest unit?
Antworten
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31
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31.5
Frage 2
Frage
What is the upper bound of 32 if it has been rounded to the nearest unit?
Antworten
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32.49
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32.5
Frage 3
Frage
What are the bounds of 200 if it has been rounded to the nearest 10?
Antworten
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LB = 195 UB = 204
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LB = 195 UB = 205
Frage 4
Frage
What are the bounds for 20 to 1 s.f?
Antworten
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LB = 15 UB = 25
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LB = 19.5 UB = 20.5
Frage 5
Frage
What are the bounds of 20 to 2 s.f?
Antworten
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LB = 15 UB = 25
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LB = 19.5 UB = 20.5
Frage 6
Frage
A rectangle has sides given as 6cm by 15cm, to the nearest cm. Calculate the limits of accuracy of the perimeter and area of the rectangle.
Antworten
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Perimeter - Min = 40 and Max = 44 Area - Min = 79.75 and Max = 100.75
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40 ≤ Perimeter
Frage 7
Frage
a = 7.2 to 1 d.p
b = 4.5 to 1 d.p
What are the largest and smallest possible values for a/b?
Antworten
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LB = 1.57 UB = 1.63
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LB = 1.59 UB = 1.61
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