Evaluate. (i) (ii) (iii)

NCERT - Mathematics

Book: NCERT - Mathematics

Chapter: 12. Exponents and Powers

Subject: Maths - Class 8^th

Q. No. 1 of Exercises 12.1

Listen NCERT Audio Books - Kitabein Ab Bolengi

1

Evaluate.
(i)

(ii)

(iii)

(i) Formula:

By using above formula in question:

(ii) Formula:

By using above formula in question:

(iii) Formula:

By using above formula in question:

3

Chapter Exercises

Exercises 12.1

Exercises 12.2

1

Evaluate.
(i)

(ii)

(iii)

2

Simplify and express the result in power notation with positive exponent.

(i) (-4)⁵ ÷ (-4)⁸

(ii)

(iii)

(iv) (3^-7 ÷ 3^-10) × 3^-5

(v) 2^-3 × (-7)^-3

3

Find the value of.
(i)
(ii)
(iii)
(iv)
(v)

4

Evaluate
(i)
(ii)

5

Find the value of m for which 5^m÷ 5^-3 = 5⁵.

6

Evaluate
(i)

(ii)

7

Simplify
(i)
(ii)