Respuesta :

You will want to round to 977.259

look at the number to the right of 9, it is 8, and 8 > 5. IF the number is 5 or greater, round up.

so your answer is 977.260

hope this helps
977.259856871
The third decimal place is 9.
The number after that is above 5, so round up.
Your answer should be 977.260