Question
Simplify the following (write your answer as a fraction or a decimal) \[ (0,008)^{\frac{1}{3}} \]
Ask by Bates Fuentes. in South Africa
Mar 08,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
The simplified value is \( \frac{1}{5} \) or \( 0.2 \).
Solution
We start with the expression
\[
(0.008)^{\frac{1}{3}}.
\]
First note that
\[
0.008 = \frac{8}{1000} = \frac{8}{10^3}.
\]
Now, we take the cube root:
\[
(0.008)^{\frac{1}{3}} = \left(\frac{8}{10^3}\right)^{\frac{1}{3}} = \frac{8^{\frac{1}{3}}}{(10^3)^{\frac{1}{3}}}.
\]
We know that
\[
8^{\frac{1}{3}} = 2 \quad \text{and} \quad (10^3)^{\frac{1}{3}} = 10,
\]
so
\[
(0.008)^{\frac{1}{3}} = \frac{2}{10}.
\]
Simplify the fraction:
\[
\frac{2}{10} = \frac{1}{5}.
\]
Therefore, the simplified value is
\[
\frac{1}{5} \quad \text{or} \quad 0.2.
\]
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Extra Insights
To simplify \( (0.008)^{\frac{1}{3}} \), we can start by converting the decimal to a fraction. We know that: \[ 0.008 = \frac{8}{1000} = \frac{8 \div 8}{1000 \div 8} = \frac{1}{125} \] Next, we can apply the cube root: \[ (0.008)^{\frac{1}{3}} = \left(\frac{1}{125}\right)^{\frac{1}{3}} = \frac{1^{\frac{1}{3}}}{125^{\frac{1}{3}}} = \frac{1}{5} \] Thus, the answer is: \[ \frac{1}{5} \] or as a decimal, \[ 0.2 \]