Answer:
87.8405
Explanation:
Given : 87.8404824053
To find : Round to 4 decimal places.
Solution : We have given
87.8404824053 .
We need to round it to 4 decimal place.
Identify the 5th digit after decimal It is 8.
It is greater than 5 so the number should be rounded up 4th digit increased by 1 and other terms become zero,
87.8405
Therefore, 87.8405