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P. 9
iation Safety Officer Course Module 1.1 – Basic Mathematics
PART 1
BASIC KNOWLEDGE
MODULE 1.1.
BASIC MATHEMATICS
CONTENTS
OVERVIEW.................................................................................................... 1
LEARNING OBJECTIVES ............................................................................. 1
1. ROUNDING............................................................................................. 1
1.1 Significant Figures .............................................................................. 2
1.2 How to Use Rounding ......................................................................... 2
1.3 When to Use Rounding ....................................................................... 3
1.4 How to Determine the Number of Decimal Places .............................. 3
SELF-CHECK 1 ............................................................................................. 4
2. ALGEBRA ............................................................................................... 4
2.1 What Do Equations Mean? ................................................................. 4
2.2 Manipulating Equations....................................................................... 5
SELF-CHECK 2 ............................................................................................. 6
3. EXPONENTS AND SCIENTIFIC NOTATION ......................................... 7
3.1 Exponents ........................................................................................... 7
3.1.1 Multiplying and dividing ................................................................ 7
3.1.2 Fractions, zero and negative exponents ...................................... 8
3.1.3 Summary of the rules of exponents.............................................. 8
3.1.4 Using a scientific calculator to calculate exponents ..................... 9
3.2 Scientific Notation ............................................................................... 9
SELF-CHECK 3 ............................................................................................. 9
4. INTRODUCTION TO LOGARITHMS .................................................... 10
4.1 Why Do We Use Logarithms?........................................................... 10
4.2 What are Logarithms?....................................................................... 10
4.3 The Advantages of Logarithms ......................................................... 11
4.4 Rules of Logs .................................................................................... 11
4.5 Common and Natural Logarithms ..................................................... 11
SELF-CHECK 4 ........................................................................................... 11
King Faisal Specialist Hospital and Research Centre – Biomedical Physics Department Page i
PART 1
BASIC KNOWLEDGE
MODULE 1.1.
BASIC MATHEMATICS
CONTENTS
OVERVIEW.................................................................................................... 1
LEARNING OBJECTIVES ............................................................................. 1
1. ROUNDING............................................................................................. 1
1.1 Significant Figures .............................................................................. 2
1.2 How to Use Rounding ......................................................................... 2
1.3 When to Use Rounding ....................................................................... 3
1.4 How to Determine the Number of Decimal Places .............................. 3
SELF-CHECK 1 ............................................................................................. 4
2. ALGEBRA ............................................................................................... 4
2.1 What Do Equations Mean? ................................................................. 4
2.2 Manipulating Equations....................................................................... 5
SELF-CHECK 2 ............................................................................................. 6
3. EXPONENTS AND SCIENTIFIC NOTATION ......................................... 7
3.1 Exponents ........................................................................................... 7
3.1.1 Multiplying and dividing ................................................................ 7
3.1.2 Fractions, zero and negative exponents ...................................... 8
3.1.3 Summary of the rules of exponents.............................................. 8
3.1.4 Using a scientific calculator to calculate exponents ..................... 9
3.2 Scientific Notation ............................................................................... 9
SELF-CHECK 3 ............................................................................................. 9
4. INTRODUCTION TO LOGARITHMS .................................................... 10
4.1 Why Do We Use Logarithms?........................................................... 10
4.2 What are Logarithms?....................................................................... 10
4.3 The Advantages of Logarithms ......................................................... 11
4.4 Rules of Logs .................................................................................... 11
4.5 Common and Natural Logarithms ..................................................... 11
SELF-CHECK 4 ........................................................................................... 11
King Faisal Specialist Hospital and Research Centre – Biomedical Physics Department Page i
