Mathematics

What is -5 squared?

-52 =

  1. 5
  2. 25
  3. -25
  4. -10

Answer: #3, -25 is correct. In this situation you must address the exponent before you address the minus sign.

What is (x2)4 ?

What is (x2)4 ?

  1. x6
  2. x8
  3. x16
  4. x2

Answer: The answer is #2,  x8  because you multiply the exponents 2 x 4

What is 6! ?

What is 6! ?

  1. 36
  2. 0
  3. 120
  4. 720

Answer: 720 is correct. 6!=6 x 5 x 4 x 3 x 2 x 1