Question
Radicals and radicals exponents quick check which of the following is an equivalent expression for 5 and 1/2 over three square root 125 when simplified using exponent properties square root 5 over 5 1 5 with power of zero one is it
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Answered by
GPT-4o mini
To find an equivalent expression for \(\frac{5^{1/2}}{3\sqrt{125}}\), we will simplify the expression step by step using exponent properties and radical rules.
1. **Simplify \(\sqrt{125}\) first:**
\[
\sqrt{125} = \sqrt{25 \cdot 5} = \sqrt{25} \cdot \sqrt{5} = 5\sqrt{5}
\]
2. **Now substitute \(\sqrt{125}\) back into the expression:**
\[
\frac{5^{1/2}}{3\sqrt{125}} = \frac{5^{1/2}}{3(5\sqrt{5})}
\]
3. **Combine the terms in the denominator:**
\[
= \frac{5^{1/2}}{15\sqrt{5}}
\]
4. **Rewrite \(\sqrt{5}\) as \(5^{1/2}\):**
\[
= \frac{5^{1/2}}{15 \cdot 5^{1/2}}
\]
5. **Now, cancel \(5^{1/2}\) in the numerator and denominator:**
\[
= \frac{1}{15}
\]
Thus, the simplified expression is \(\frac{1}{15}\).
Now, let’s compare this with the given options:
- Square root 5 over 5: \(\frac{\sqrt{5}}{5}\)
- 1: \(1\)
- 5 with power of zero: \(5^0 = 1\)
Since we found the simplified expression to be \(\frac{1}{15}\), none of the options given (\(\sqrt{5}/5\), \(1\), \(5^0\)) are equivalent to our simplified result.
Hence, none of the provided options are correct. If there are additional options you wish to check, please provide them.
1. **Simplify \(\sqrt{125}\) first:**
\[
\sqrt{125} = \sqrt{25 \cdot 5} = \sqrt{25} \cdot \sqrt{5} = 5\sqrt{5}
\]
2. **Now substitute \(\sqrt{125}\) back into the expression:**
\[
\frac{5^{1/2}}{3\sqrt{125}} = \frac{5^{1/2}}{3(5\sqrt{5})}
\]
3. **Combine the terms in the denominator:**
\[
= \frac{5^{1/2}}{15\sqrt{5}}
\]
4. **Rewrite \(\sqrt{5}\) as \(5^{1/2}\):**
\[
= \frac{5^{1/2}}{15 \cdot 5^{1/2}}
\]
5. **Now, cancel \(5^{1/2}\) in the numerator and denominator:**
\[
= \frac{1}{15}
\]
Thus, the simplified expression is \(\frac{1}{15}\).
Now, let’s compare this with the given options:
- Square root 5 over 5: \(\frac{\sqrt{5}}{5}\)
- 1: \(1\)
- 5 with power of zero: \(5^0 = 1\)
Since we found the simplified expression to be \(\frac{1}{15}\), none of the options given (\(\sqrt{5}/5\), \(1\), \(5^0\)) are equivalent to our simplified result.
Hence, none of the provided options are correct. If there are additional options you wish to check, please provide them.
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