Jamal simplified the expression where and .

Which describes the error Jamal made?
He should have written the square root of in the answer as , not .
He should have written the square root of in the answer as , not .
He should have written the 5 inside of the radical in the answer.
He should have written the 3 outside of the radical in the answer.

The mountain springs water company has two departments, purifying and bottling. the bottling department received 67,000 liters from the purifying department. during the period, the bottling department completed 65,000 liters, including 3,000 liters of work in process at the beginning of the period. the ending work in process was 5,000 liters. how many liters were started and completed during the period?