# Lesson 2: The Laws of Indices

Lesson
Materials

### Objective

At the end of the lesson, students should be able to;

• Know and apply the laws of indices.

Law 1: When you multiply powers of the same base, you add the indices,

For example:

Law 2: When dividing index expressions of the same base, the powers may be subtracted.

For example:

Law 3: A power raised to a power means the two indices can be multiplied.

Law 4: Anything raised to the power zero equals one.

Example 1

Simplify the following.

Unit 8 Lesson 2: Exercise 1

Simplify the following expressions to a single power where possible.

Unit 8 Lesson 2: Exercise 2

Simplify the following expressions to a single power where possible.

Unit 8 Lesson 2: Exercise 3

Now Try These

Unit 8 Lesson 2: Exercise 4

Now Try These

WORKSHEET

Indices Rules – Basics – 1

Indices Rules – Basics – 2

Indices Rules – Basics – 3

These are the answers to Form 3 unit 8. Lesson 2: Exercise 1

These are the answers to Form 3 unit 8. Lesson 2: Exercise 2

These are the answers to Form 3 unit 8. Lesson 2: Exercise 3

These are the answers to Form 3 unit 8. Lesson 2: Exercise 4

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