Question

Which expression is equivalent to 27/125?

Answer 1

27/125

Explanation:

Clearly, 27 and 125 are perfect cubes as:

• 27 = 3 × 3 × 3
• 125 = 5 × 5 × 5

Thus, this can be written as:

• ⇒ 27/125
• ⇒ 3 × 3 × 3/5 × 5 × 5
• ⇒ (3/5)³

Given options:

• a) (3/5)³
• b) 3/(5³)
• c) (3/4)²
• d) (3³/5⁵)

Choice A