math help please

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12.
(-8x) x (3x^2)

-5x^3
-24x^2
-24x^3
-5x^2

13.
(-11z)^0

z
1
-11
1

14.
14^-4

1/14^4
-56
1/14
1/14^-4

My answer:
12. -24x^3
13. -1
14. 1/14

  • math help please -

    Correct

  • math help please -

    13 .
    should have been +1

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