`10.8xx5.5xx8.4=?`

Options

A. 458.69
B. 489.96
C. 498.96
D. 485.69

Explanation

To solve the problem \( 10.8 \times 5.5 \times 8.4 \), we can break it down into manageable steps.

### Step-by-Step Solution:

1. **Multiply the first two numbers:**
\[ 10.8 \times 5.5 \]
To perform this multiplication:
- First, multiply \( 10.8 \) by \( 5.5 \):
\[ 10.8 \times 5.5 = 59.4 \]

2. **Now, multiply the result by the third number:**
\[ 59.4 \times 8.4 \]
To perform this multiplication:
- Multiply \( 59.4 \) by \( 8.4 \):
\[ 59.4 \times 8.4 = 498.96 \]

3. **Final Result:**
Therefore, the value of \( 10.8 \times 5.5 \times 8.4 \) is:
\[ 498.96 \]

### Final Answer:
\[ 10.8 \times 5.5 \times 8.4 = 498.96 \]

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