Final answer:
Out of the given options, withdrawing $80 can't be expressed using a negative number. The other options can be expressed using negative numbers.
Step-by-step explanation:
Out of the given options, withdrawing $80 can't be expressed using a negative number. The other options can be expressed using negative numbers:
- 200 feet above sea level can be expressed as -200 feet below sea level.
- 33°F below zero can be expressed as -33°F.
- 900 B.C. can be expressed as -900.