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BNU1501 Assignment 1 Semester 1 2022
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BNU1501/201/1/2018Tutorial Letter 201/1/2022
Basic Numeracy
BNU1501
Semester 1
Department of Decision Sciences
Important information:
Solutions to Assignment 01
Bar code
, BNU1501/201
ASSIGNMENT 01: Solutions
Answers
1. [4] 6. [3] 11. [1] 16. [3] 21. [3] 26. [2]
2. [2] 7. [4] 12. [2] 17. [1] 22. [4] 27. [3]
3. [3] 8. [3] 13. [4] 18. [4] 23. [1] 28. [1]
4. [1] 9. [2] 14. [3] 19. [3] 24. [1] 29. [4]
5. [2] 10. [1] 15. [2] 20. [2] 25. [2] 30. [3]
Explanations
Question 1
To round 10,99458 off to three decimal digits, we look at the fourth decimal digit. In this case the fourth
decimal digit is the number 5, which is not less than 5. Therefore, the digit in front of it, namely 4, will
increase by one in the rounding.
Thus 10,99458 = 10,995 rounded to three decimal digits.
The correct option is [4].
Question 2
To round 10,99458 off to two decimal digits, we look at the third decimal digit. In this case it is the number
4, which is less than 5. The digit in front of it, namely 9, will therefore not be influenced in the rounding.
Thus 10,99458 = 10,99 rounded to two decimal digits.
The correct option is [2].
Question 3
To round 10,99458 off to the first decimal digit, we look at the second decimal digit. In this case it is the
number 9, which is not less than 5. Therefore the decimal digit in front of it, namely 9, will increase by
one in the rounding.
Thus 10,99458 = 11,0 rounded to one decimal digit.
The correct option is [3].
Question 4
x
The ice cream costs x rand, therefore, the chocolate costs half of x rand, that is 2 rand.
The correct option is [1].
Question 5
From the information given and deduced in question 4 above, we know that John will have to pay
x+ x
2
rand for the chocolate and ice cream.
The correct option is [2].
2
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