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Quick Revision: Exponents and Powers Video Lecture | Mathematics (Maths) Class 7

Q: 2. How do you read an exponent expression?

Ans. An exponent expression is read as 'base raised to the power of the exponent.' For example, 2^3 is read as '2 raised to the power of 3' or '2 cubed.'

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FAQs on Quick Revision: Exponents and Powers Video Lecture - Mathematics (Maths) Class 7

1. What is an exponent?

Ans. An exponent is a number that represents the power to which another number, called the base, is raised. It indicates how many times the base number is multiplied by itself.

2. How do you read an exponent expression?

Ans. An exponent expression is read as "base raised to the power of the exponent." For example, 2^3 is read as "2 raised to the power of 3" or "2 cubed."

3. What is the difference between a base and an exponent?

Ans. The base is the number being raised to a power, while the exponent is the number that represents the power to which the base is raised. For example, in 2^3, 2 is the base and 3 is the exponent.

4. How do you calculate the value of an exponent expression?

Ans. To calculate the value of an exponent expression, you simply raise the base to the power of the exponent. For example, 2^3 = 2 x 2 x 2 = 8.

5. What are some common properties of exponents and powers?

Ans. Some common properties of exponents and powers include the product rule (a^m x a^n = a^(m+n)), the quotient rule (a^m / a^n = a^(m-n)), and the power rule ((a^m)^n = a^(m*n)).

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Video Description: Quick Revision: Exponents and Powers for Class 7 2024 is part of Mathematics (Maths) Class 7 preparation. The notes and questions for Quick Revision: Exponents and Powers have been prepared according to the Class 7 exam syllabus. Information about Quick Revision: Exponents and Powers covers all important topics for Class 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Quick Revision: Exponents and Powers.

Introduction of Quick Revision: Exponents and Powers in English is available as part of our Mathematics (Maths) Class 7 for Class 7 & Quick Revision: Exponents and Powers in Hindi for Mathematics (Maths) Class 7 course. Download more important topics related with notes, lectures and mock test series for Class 7 Exam by signing up for free.

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