Simplify. Express your answer with positive exponents. Assume that all variables are nonzero. $$ \frac{1}{\mathrm{y}^{-2}} $$

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To simplify the expression $$ \frac{1}{\mathrm{y}^{-2}} $$ and express it with positive exponents, follow these steps:

1. **Understand Negative Exponents:**
   
   A negative exponent indicates the reciprocal of the base raised to the positive exponent. That is:
   $$
   \mathrm{y}^{-2} = \frac{1}{\mathrm{y}^{2}}
   $$

2. **Substitute into the Original Expression:**
   
   Replace $$ \mathrm{y}^{-2} $$ with its equivalent:
   $$
   \frac{1}{\mathrm{y}^{-2}} = \frac{1}{\frac{1}{\mathrm{y}^{2}}}
   $$

3. **Simplify the Complex Fraction:**
   
   Dividing by a fraction is the same as multiplying by its reciprocal:
   $$
   \frac{1}{\frac{1}{\mathrm{y}^{2}}} = 1 \times \mathrm{y}^{2} = \mathrm{y}^{2}
   $$

**Final Simplified Expression:**
$$
\mathrm{y}^{2}
$$
$$ \mathrm{y}^{2} $$

Simplify. Express your answer with positive exponents. Assume that all variables are nonzero. \( \frac{1}{\mathrm{y}^{-2}} \)

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