25. $$ \left(\frac{2}{5}\right)^{2} $$

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Certainly! Let's evaluate $$ \left(\frac{2}{5}\right)^{2} $$ step by step.

### Step 1: Understand the Expression
The expression $$ \left(\frac{2}{5}\right)^{2} $$ means that you are squaring the fraction $$ \frac{2}{5} $$.

### Step 2: Square the Numerator and the Denominator Separately
When you square a fraction, you square both the numerator (top number) and the denominator (bottom number):

$$
\left(\frac{2}{5}\right)^{2} = \frac{2^{2}}{5^{2}}
$$

### Step 3: Calculate the Squares
- **Square the numerator:** $$ 2^{2} = 4 $$
- **Square the denominator:** $$ 5^{2} = 25 $$

So,

$$
\frac{2^{2}}{5^{2}} = \frac{4}{25}
$$

### Step 4: (Optional) Convert to Decimal
If you prefer the decimal form, divide the numerator by the denominator:

$$
\frac{4}{25} = 0.16
$$

### Final Answer
$$
\left(\frac{2}{5}\right)^{2} = \frac{4}{25} \quad \text{or} \quad 0.16
$$
$$ \left(\frac{2}{5}\right)^{2} = \frac{4}{25} \quad \text{or} \quad 0.16 $$

25. \( \left(\frac{2}{5}\right)^{2} \)

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