SAT Math Question of the Day

Math Category: Exponents Level 1:

Q: What is 4-1?

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

UNANSWERED.

The correct answer is D.

A: The answer is 1/4. A number to the -1 power is 1 divided by the number.