To convert the number 5.545 to a percent, you need to follow these steps:
1. Understand that converting a number to a percent involves multiplying that number by 100. This is because "percent" means "per hundred."
2. Start with the number 5.545.
3. Multiply 5.545 by 100:
[tex]\[
5.545 \times 100 = 554.5
\][/tex]
So, when you convert 5.545 to a percent, you get 554.5%.
Now, let's match this result with the provided choices:
- A: 5.545%
- B: 5,545%
- C: 55,450%
- D: 554.5%
The correct choice is D: 554.5%.