Find $\sqrt[3]{0.000216}$ .

0.0006Correct answerYour answer0.006Correct answerYour answer0.06Correct answerYour answer0.6Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer C

Correct answer: C

Write it as a fraction: $0.000216 = \frac{216}{1000000}$ .
$\sqrt[3]{216} = 6$ and $\sqrt[3]{1000000} = 100$ , so the cube root is $\frac{6}{100} = 0.06$ .

Worth noting

A cube root divides the number of decimal places by 3: six places become two. Check: $0.06^3 = 0.000216$ .

Ten questions from Simplification & Approximation, at your own pace.

Ten questions from Simplification & Approximation, at your own pace.

Find 0.0002163\sqrt[3]{0.000216}30.000216​.