(2/3)3 × (5/7)3 is equal to
a. (2/3 × 5/7)9
b. (2/3 × 5/7)6
c. (2/3 × 5/7)3
d. (2/3 × 5/7)0

Solution:

Given

(2/3)3 × (5/7)3

If a, b and m are rational numbers

am × bm = abm

So we get

(2/3)3 × (5/7)3 = (2/3 × 5/7)3

Therefore, (2/3)3 × (5/7)3 is equal to (2/3 × 5/7)3.

✦ Try This: Cube of (-1/10) is

Given number is - 1/10

We know that

Cube of (-1/10) can be written as

(-1/10)3 = (-1/10) × (-1/10) × (-1/10) = -1/1000

Therefore, the cube of (-1/10) is -1/1000

☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 13

NCERT Exemplar Class 7 Maths Chapter 11 Problem 16

(2/3)3 × (5/7)3 is equal to: a. (2/3 × 5/7)9, b. (2/3 × 5/7)6, c. (2/3 × 5/7)3, d. (2/3 × 5/7)0

Summary:

(2/3)3 × (5/7)3 is equal to (2/3 × 5/7)3

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