Edexcel IGCSE Maths復習筆記 1.4.2 Roots & Indices - Harder
Edexcel IGCSE Maths復習筆記 1.4.2 Roots & Indices - Harder
What are indices?
- An Index (plural = indices) is just a power that a number (called the base) is raised to:
Laws of indices – what you need to know
- There are lots of very important laws (or rules)
- It is important that you know and can apply these
- Understanding the explanations will help you remember them:
Exam Tip
Write numbers in the question with the same BASE if possible.
Worked Example
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