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Q 1/11
Score 0
0.027 182 =
120
0.027 1, correct to 3 decimal places
0.02, correct to 1 significant figure
0.027, correct to 2 decimal places
0.027 18, correct to 4 significant figures
Q 2/11
Score 0
It is given that the value of p is between 3.541 6 and 3.542 8 inclusive. Which of the following must be correct?
120
p = 3.542, correct to 4 significant figures
p = 3, correct to 1 significant figure
p = 3.54, correct to 3 significant figures
p = 3.6, correct to 2 significant figures
11 questions
Q.
0.027 182 =
1
120 sec
Q.
It is given that the value of p is between 3.541 6 and 3.542 8 inclusive. Which of the following must be correct?
2
120 sec
Q.
Ken uses a ruler with scale interval of 0.5 cm to measure the length of each side of a square. If the length of each side is measured as 12.5 cm, find the relative error in calculating the perimeter of the square.
3
120 sec
Q.
How many significant figures are there in 0.012 060?
4
60 sec
Q.
The height of a sculpture is measured as 2.03 m. Assume that the actual height is 2 m. Find the relative error.
5
120 sec
Q.
The capacity of a bottle is measured as 72 mL with relative error . Find the minimum possible capacity of the bottle.
6
120 sec
Q.
There are 600 participants in a race. If the number of male participants and the number of female participants are in the ratio 2 : 3, find the number of male participants.
7
120 sec
Q.
On a photo with a scale of 3 cm : 1 mm, the length of an insect is 6 mm. Find the actual length of the insect.
8
120 sec
Q.
7 200 mL/min =
9
120 sec
Q.
A metal rod expands 1.2 cm when the temperature is increased from 40 oC to 200 oC. Find the rate of expansion.
10
120 sec
Q.
The perimeter of △ABC as shown is 11.5 cm, where a : b : c = 10 : 6 : 7. Find a. (with unit)