Read the four numbers marked with a cross on the following number line:(2 marks)A=B=C=D= A...

Question

Read the four numbers marked with a cross on the following number line:
(2 marks)

A=
B=
C=
D=

A technician has prepared three solutions from a 600 mL stock solution.

In preparing the first solution ½ of the original volume of the stock solution was used.

The second solution required ¼ of the remaining stock solution.

Preparation of the third solution used 3/5 of the remaining stock solution.

What was the total volume of stock solution consumed?
What fraction of stock solution remains?

(4 marks)

Complete the table by expressing fractions as decimals(you may need a calculator for this) and then percentages.
(4 marks)

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SCIE 40018 Assessment item 1 Due date: Friday 16th November, 2012 This assessment item relates to Unit 2: Understanding numbers – tools of science (40 marks – 20% of course assessment) Student Name……………………………… Student Number …………………………… Please answer all questions in the spaces provided. Read the four numbers marked with a cross on the following number line: (2 marks) A= B= C= D= A technician has prepared three solutions from a 600 mL stock solution. In preparing the first solution ½ of the original volume of the stock solution was used. The second solution required ¼ of the remaining stock solution. Preparation of the third solution used 3/5 of the remaining stock solution. What was the total volume of stock solution consumed? What fraction of stock solution remains? (4 marks) Complete the table by expressing fractions as decimals(you may need a calculator for this) and then percentages. (4 marks) FractiondecimalFraction expressed with denominator of 100percentage Convert the numbers in the following table into either improper fractions or mixed numbers as appropriate. (2 marks) Improper fractionMixed number In each of the following sets, identify the numbers that has the greatest value.(4 marks) Complete the following – you may need to ‘round’ some of the numbers to answer the questions.(3 marks) Rewrite 8.0962 using three significant figures. ……………………………………… Rewrite 0.008952005 using five significant figures. ………………………………………… Rewrite 8.01967 using two significant figures. …………………………………………… How many significant figures are there in the number ‘187.001’ ? ……………… How many significant figures are there in the number ‘0.057100’ ? ……………… How many significant figures are there in the number ‘970.080’ ? ……………… In performing multiplication and division it is important to consider the number of significant figures in the input data when reporting the result....

005_q5dljk-lqtuk0h3.doc

Robert · Accepted Answer

Developing study skills
SCIE 40018 Term 3, 2012 - Foundation Science: Assessment item 1 Page 1
SCIE 40018 Assessment item 1  
 
Due date:  Friday 16th November, 2012  
 
This assessment item relates to Unit 2:  Understanding numbers – tools of science  
 (40 marks – 20% of course assessment)
Student Name……………………………… 
Student Number …………………………… 
Please answer all questions in the spaces provided.  
1. Read the four numbers marked with a cross on the following number line: (2 marks)
A=-35 
B=-12 
C=14 
D=39
SCIE 40018 Term 3, 2012 - Foundation Science: Assessment item 1 Page 2
2. A technician has prepared three solutions from a 600 mL stock solution.   
 In preparing the first solution ½ of the original volume of the stock solution was used. 
 The second solution required ¼ of the remaining stock solution. 
 Preparation of the third solution used  3/5 of the remaining stock solution.
What was the total volume of stock solution consumed?  
                           
 
 

 
 (
 
 
 
 
)         
What fraction of stock solution remains?
        (4 marks) 
                                     
                        
                           

   

  

3.  Complete the table by expressing fractions as decimals(you may need a calculator for this) and then 
percentages.   (4 marks) 
Fraction decimal Fraction expressed with 
denominator of 100 
percentage 
12
20
 
0.6   
   
 
60% 
24
30
 
0.8   
   
 
80% 
1
6
 
0.1666667          
   
 
16.6667% 
13
86
 
0.15116279          
   
 
15.116279%
SCIE 40018 Term 3, 2012 - Foundation Science: Assessment item 1 Page 3
4. Convert the numbers in the following table into either improper fractions or mixed numbers as 
appropriate.  (2 marks) 
Improper fraction Mixed number 
58
3
 19
 
 

 
 
6
5
7
 
45
4
 11
 
 

 
 
6
13
7

5. In each of the following sets, identify the numbers that has the greatest value. (4 marks)  
a) 
1
10% ; ; 0.01 ; 1
100
    Greatest   =   1 
b) 
2 2
22% ; 2 ; 2.02 ; 2
100 10
   Greatest  =   2
 
  
 
c) 
3
36% ; 3 ; 0.036 ; 3.06
5
   Greatest  =   3
 
 
 
d) 
4
0.08 ; ; 0.008 ;

Read the four numbers marked with a cross on the following number line: (2 marks) A= B= C= D= A technician has prepared three solutions from a 600 mL stock solution. In preparing the first solution ½...

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