Simplify (4^y + 4^y + 4^y + 4^y) (4^y + 4^y + 4^y + 4^y)  Choose the correct choice:
A) 4^4y * 3^3y
B) 12^y+1
C) 16^y+1
D) 12^y
E) 4^y * 12^y
16^y+1   (4^y + 4^y + 4^y + 4^y) (4^y + 4^y + 4^y + 4^y)   (4*4^y)(4*4^y)   16*16^y=16^(y+1)..
<result>C</result>
Simplify (4^y + 4^y + 4^y + 4^y) (4^y + 4^y + 4^y + 4^y)