Evaluate:
`4.71 xx 9`

Answer

To evaluate \( 4.71 \times 9 \), we can follow these steps:

### Step 1: Set up the multiplication
Write the numbers in a vertical format for easier multiplication:
```
4.71
x 9
```

### Step 2: Multiply the decimal part
Start by multiplying the last digit of the decimal number (1) by 9:
- \( 1 \times 9 = 9 \)

### Step 3: Multiply the next digit
Next, multiply the second digit (7) by 9:
- \( 7 \times 9 = 63 \)
- Write down 3 and carry over 6.

### Step 4: Multiply the first digit
Now, multiply the first digit (4) by 9:
- \( 4 \times 9 = 36 \)
- Add the carry over (6) to this result: \( 36 + 6 = 42 \).

### Step 5: Combine the results
Now, combine the results from the multiplication:
- From the multiplication, we have:
```
42
3
9
```
So, the total before placing the decimal is 42.39.

### Step 6: Place the decimal
Since there are two digits after the decimal in 4.71, we place the decimal point in the result after two digits from the right:
- Therefore, the final answer is \( 42.39 \).

### Final Answer:
Thus, \( 4.71 \times 9 = 42.39 \).

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