Practice mode Surds and Indices

What is the value of (243)^(0.16) × (243)^(0.04)?

Correct answer B. 3

Explanation

Add the indices: 243^(0.16 + 0.04) = 243^(0.2) = 243^(1/5). Since 3⁵ = 243, the value is 3. Hence the correct option is 3.

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