Скачать или смотреть Class 9 Math Exercise 3.1 Complete || 9 Class Mathematics Exercise 3.1 Question No.1 & 2

9 Class Math Exercise 3.1 Complete || 9 Class Mathematics Exercise 3.1 Question No.1 & 2

9 Class Math Exercise 3.1 Question No.1
9 Class Math Exercise 3.1 Question No.2

Title: "Scientific Notation | 9th Class Math | Ex.3.1 Q1-2 | Punjab, KPK, and Federal Board"

Intro: "Welcome to Math Expert! In this comprehensive video, we'll delve into the concept of Scientific Notation. We'll learn how to express very large or very small numbers in a simplified form, and solve examples from Exercise 3.1, Question 1-2, covering all boards of Punjab, KPK, and Federal Board. Get ready to master Scientific Notation!"

Description:

Scientific Notation:

Definition: Scientific notation is a way of expressing very large or very small numbers in a more manageable form.
Formula: a × 10^n, where a is a number between 1 and 10, and n is an integer.
Example: 456,000,000 = 4.56 × 10^8

Properties of Scientific Notation:

Multiplication: (a × 10^n) × (b × 10^m) = (ab) × 10^(n+m)
Division: (a × 10^n) ÷ (b × 10^m) = (a/b) × 10^(n-m)

Examples:

1. Express 2,500,000 in scientific notation.
2. Express 0.0000678 in scientific notation.
3. Multiply: (3 × 10^4) × (2 × 10^3)
4. Divide: (6 × 10^6) ÷ (3 × 10^2)

Solutions:

1. 2,500,000 = 2.5 × 10^6
2. 0.0000678 = 6.78 × 10^-5
3. (3 × 10^4) × (2 × 10^3) = 6 × 10^7
4. (6 × 10^6) ÷ (3 × 10^2) = 2 × 10^4

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