1. 2.5 + 5.67
(2.5 is the same as 2.50)
Add digits in the same place value (2 + 5, 5 + 6. 0 + 7) to get 8.17
2. For each digit, just replace the digits between it and the decimal with 0 to find the value.
9: 90
8: 8
4: 0.4
8: 0.08
7: 0.007
3. hundreths: second digit to the right of the decimal
in 98.487, it would be the second 8