1. Zero and Negative Integral Indices

2. We have learnt the following laws of indices before:
If both m and n are positive integers, then
…… Law (1)
…… Law (2)
…… Law (4)
…… Law (5)

3. 1. Simplify the following expressions.2 2 4 4
So, what are the values of 40 and 50 ? 1

4. 1. Complete the following expressions.3 2 2 5 -3 2 4 -2
What can you conclude from the above result?

5. In fact, we have two more laws of indices…
Zero and Negative Integral Indices
In fact, we have two more laws of indices…
Note: 00 is undefined.

6. Simplify the following expressions and express your answers with positive indices.
Solution

7. Follow-up question
Simplify the following expressions and express your answers with positive indices.
Solution