Secondary School (English Medium) (5 to 8) Class 8 - CBSE Question Bank Solutions for Mathematics

The value of [1^–2 + 2^–2 + 3^–2 ] × 6² is ______.

`10^-2 = 1/100`

329.25 = 3 × 10² + 2 × 10¹ + 9 × 10⁰ + 2 × 10^–1 + 5 × 10^–2 

(–5)^–2 × (–5)^–3 = (–5)^–6 

(–4)^–4 × (4)^–1 = (4)⁵  

`(2/3)^-2 xx (2/3)^-5 = (2/3)^10`

5⁰ = 5

(–2)⁰ = 2

`(-8/2)^0 = 0`

(–6)⁰ = –1

(–7)^–4 × (–7)² = (–7)^–2 

The value of `1/4^-2` is equal to 16.

a^p × b^q = (ab)^pq 

`x^m/y^m = (y/x)^-m`

`a^m = 1/a^-m`

The expontential form for `(-2)^4 xx (5/2)^4` is 5⁴.

The value of 5^–2 is equal to 25.

a^m × b^m = (ab)^m

Solve the following:

100^–10 

Solve the following:

2^–2 × 2^–3