Cube of -1/2 is
(a) 1/8
(b) 1/16
(c) -1/8
(d) -1/16

Solution:

Given, the number is -1/2.

We have to find the cube of the given number.

Cube of -1/2 = (-1/2)³

= -1/2 × -1/2 × -1/2

= 1/4 × -1/2

= -1/8

Therefore, the cube of the number is -1/8.

✦ Try This: Cube of -1/3 is

We have to find the cube of the given number.

Cube of -1/3 = (-1/3)³

= -1/3 × -1/3 × -1/3

= 1/9 × -1/3

= -1/27

Therefore, the cube of the number is -1/27.

☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 12

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NCERT Exemplar Class 8 Maths Chapter 8 Problem 32

Cube of -1/2 is (a) 1/8, (b) 1/16, (c) -1/8, (d) -1/16

Summary:

When an integer is multiplied by itself three times the resultant number is known as its cube number. Cube of -1/2 is -1/8.

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☛ Related Questions:

• Which of the following is not the reciprocal of (2/3)⁴ ? (a) (3/2)⁴, (b) (3/2)⁻⁴, (c) (2/3)⁻⁴, (d) 3 . . . .
• The multiplicative inverse of 10¹⁰ is ___________. Fill in the blank to make the statement true
• a³ × a⁻¹⁰ = __________. Fill in the blank to make the statement true