SAT Math Question of the Day

Math Category: Exponents Level 1:

Q: What is 5-1?

  1. -5
  2. -4
  3. 1/5
  4. 1/4
  5. 5

UNANSWERED.

The correct answer is C.

A: The answer is 1/5. A number to the -1 power is 1 divided by the number.