Math

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Evaluate 1/2a^–4b^2 for a = –2 and b = 4.

A.)2
B.)1/2
C.)3
D.)4

I think it is D.
Thabk You.

  • Math -

    assuming the 1/2 is a coefficient, we have

    (1/2) (-2)^-4 (4)^2
    (1/2) (1/(-2)^4) (4)^2
    (1/2) (1/16) (16)
    1/2

    (B)

  • Math -

    Thank You.

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