SAT Math Question of the Day

Math Category: Exponents Level 1:

Q: What is 8-1?

  1. -1/64
  2. -1/8
  3. 0
  4. 1
  5. 1/8

UNANSWERED.

The correct answer is E.

A: The answer is 1/8. A number to the -1 power is 1 divided by the number.