Final answer:
To solve the problem, we first subtract 49.1 from 87,654.3210, getting 87,605.2210. Then, we add 345.908 to this result and obtain the final answer of 87,951.129.
Step-by-step explanation:
To subtract 49.1 from 87,654.3210 and then add 345.908 to the difference, we perform two steps:
- Subtraction: 87,654.3210 - 49.1 = 87,605.2210.
- Addition: 87,605.2210 + 345.908 = 87,951.129.
The answer after performing the two operations is 87,951.129.