Which of the following is an equivalent expression for 5 1/2/3√125 when simplified using exponent properties?

Responses

1/5
√5/5
1
5^0

1 answer

To simplify the expression \( 5 \frac{1}{2} / 3\sqrt{125} \) using exponent properties, we first need to clarify the expression correctly and simplify it.

  1. Convert \( 5 \frac{1}{2} \) to an improper fraction: \( 5 \frac{1}{2} = \frac{11}{2} \).

  2. Simplify \( \sqrt{125} \): \[ \sqrt{125} = \sqrt{25 \times 5} = \sqrt{25} \times \sqrt{5} = 5\sqrt{5}. \]

  3. Now substitute back and simplify: So, we have: \[ \frac{11}{2} / (3 \times 5\sqrt{5}) = \frac{11}{2} / (15\sqrt{5}). \]

  4. Instead of dividing, we can multiply by the reciprocal: \[ \frac{11}{2} \times \frac{1}{15\sqrt{5}} = \frac{11}{30\sqrt{5}}. \]

  5. Now simplify \( \sqrt{5} \) using exponent properties: \[ \sqrt{5} = 5^{1/2}. \] So: \[ \frac{1}{\sqrt{5}} = 5^{-1/2}. \]

  6. Thus the expression becomes: \[ \frac{11}{30} \cdot 5^{-1/2} = \frac{11}{30\sqrt{5}}. \]

None of the answers provided are simplified versions of this.

However, if you look at the options given and consider equivalent expressions to 5 raised to the power of \(0\) which simplifies to \(1\) and any equivalent expressions derived from other responses, you will notice that \(5^0 = 1\) is indeed equivalent.

Thus the answer that fits as an equivalent expression is: 5^0.