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Formula Sheet

Exponents

ICSE · Class 7 · Mathematics

All formulas from Exponents in ICSE Class 7 Mathematics. Key equations, constants, and identities for board exam preparation.

45 questions30 flashcards5 concepts

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13 Formulas · 4 Sections

Formulas

1. Core Meaning and Notation

a^n = a × a × a × a × ... × a

5^7

(-3)^8

2. Numbers in Exponential Form

625 = 5^4

32 = 2^5

729 = 3^6

3. Laws of Exponents

a^m × a^n = a^(m + n)

a^m / a^n = a^(m-n) if m > n; a^m / a^n = 1/a^(n-m) if m < n

(a^m)^n = a^(mn)

(ab)^m = a^m b^m

(a/b)^m = a^m / b^m

4. Zero Index and Negative Index

a^0 = 1, if a ≠ 0

a^-m = 1/a^m and 1/a^-m = a^m

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Frequently Asked Questions

What are the important topics in Exponents for ICSE Class 7 Mathematics?
Key topics in Exponents include Exponents - Comprehensive Concept Overview, Diagram showing the components of an exponential expression and how to interpret it, Step-by-step process of evaluating 2^6 by successive multiplication. These are the concepts ICSE Class 7 examiners draw on most — study them first, then practise related questions.
How to score full marks in Exponents — ICSE Class 7 Mathematics?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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