To calculate (10.04 \times 2.5):

Step 1: Break down the multiplication

We can rewrite (10.04) as (10 + 0.04), then use the distributive property:
[10.04 \times 2.5 = (10 + 0.04) \times 2.5]

Step 2: Compute each term

• (10 \times 2.5 = 25)
• (0.04 \times 2.5 = 0.1)

Step 3: Add the results

[25 + 0.1 = 25.1]

Answer: (\boxed{25.1})

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