Can you please be more specific? He drank 4/5 of the bottle and if the bottle is a 2 liter bottle, he drank 1.6
Answer:

Step-by-step explanation:
The exponent of positive 1/2 is the square root of 60
60 ^1/2 = 
Its wanting you to find the answer im guessing ?
like (3+6) x 121
Add the Numbers
9x 121
Multiply the Numbers
and the answer would be 1089 ?
I hope Helped you
- Dante