The cube root of 729 is 8. State whether the statement is true or false.

Solution:

Given, the cube root of 729 is 8.

We have to determine if the given statement is true or false.

Cube root is the inverse operation of a cube.

Given, ∛729 = 8

Number obtained when a number is multiplied by itself three times is called a cube number.

If m = n³, then m is a perfect cube where m and n are natural numbers.

Cube of 8 = 8³

= 8 × 8 × 8

= 512

Therefore, the cube root of 729 is 9 not 8.

✦ Try This: The cube root of 125 is 5 . State whether the statement is true or false.

☛ Also Check: NCERT Solutions for Class 8 Maths

NCERT Exemplar Class 8 Maths Chapter 3 Sample Problem 16

The cube root of 729 is 8. State whether the statement is true or false

Summary:

The given statement, ”The cube root of 729 is 8” is false

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