Secondary School (English Medium) (5 to 8) कक्षा ८ - CBSE Question Bank Solutions

(–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

Solve the following:

`(1/2)^-2 ÷ (1/2)^-3`

Express as a power of a rational number with negative exponent.

`(((-3)/2)^-2)^-3`

Express as a power of a rational number with negative exponent.

(2⁵ ÷ 2⁸) × 2^–7 

Find the product of the cube of (–2) and the square of (+4).

Simplify:

`(1/4)^-2 + (1/2)^-2 + (1/3)^-2`

Simplify:

`(((-2)/3)^-2)^3 xx (1/3)^-4 xx 3^-1 xx 1/6`

Simplify:

`(49 xx z^-3)/(7^-3 xx 10 xx z^-5) (z ≠ 0)`

Simplify:

(2⁵ ÷ 2⁸) × 2^–7

Find the value of x so that `(5/3)^-2 xx (5/3)^-14 = (5/3)^(8x)`