6490820
Beschreibung
Quiz von Sin Kei Chan, aktualisiert more than 1 year ago
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Erstellt von Sin Kei Chan
vor mehr als 7 Jahre
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Frage 1
Frage
Round off 183.577 to 3 significant figures.
[blank_start]184[blank_end]
Antworten
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184
Frage 2
Frage
Round off 29.05 to 3 significant figures.
[blank_start]29.1[blank_end]
Antworten
-
29.1
Frage 3
Frage
Round off 17 to 3 significant figures.
[blank_start]17.0[blank_end]
Antworten
-
17.0
Frage 4
Frage
Round off 299700 to 3 significant figures.
[blank_start]300000[blank_end]
Antworten
-
300000
Frage 5
Frage
How many significant figures are there if the following numbers are rounded off to the nearest ten?
197
[blank_start]2[blank_end]
277453.69
[blank_start]5[blank_end]
10.7
[blank_start]1[blank_end]
995
[blank_start]3[blank_end]
10000
[blank_start]4[blank_end]
Antworten
-
2
-
5
-
1
-
3
-
4
Frage 6
Frage
Estimate the value of the following expressions by rounding off each number to 2 significant figures.
137 + 255 x 299.7
[blank_start]78140[blank_end]
25.7 x 0.0197 + 17.49
[blank_start]17.52[blank_end]
291 + 374 - 299
[blank_start]360[blank_end]
Antworten
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78140
-
17.52
-
360
Frage 7
Frage
Find the absolute error when the following data are rounded off to 3 significant figures.
13995.7
[blank_start]4.3[blank_end]
2997.33 cm
[blank_start]2.67[blank_end] cm
0.07745 km
[blank_start]0.00045[blank_end] km
1.777777 L
[blank_start]0.002223[blank_end] L
Antworten
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4.3
-
2.67
-
0.00045
-
0.002223
Frage 8
Frage
Express the actual value of a data in terms of "absolute error" and "relative error".
actual value = [blank_start]absolute error[blank_end]/[blank_start]relative error[blank_end]
Antworten
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absolute error
-
relative error
-
maximum error
-
percentage error
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