Homework Help: Math

Posted by Deborah on Monday, January 14, 2013 at 12:25pm.

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 - Steve, Monday, January 14, 2013 at 12:36pm
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 - Deborah, Monday, January 14, 2013 at 12:39pm
Thank You.

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