Simplify (5^y + 5^y + 5^y + 5^y + 5^y) (4^y + 4^y + 4^y + 4^y)  Choose the correct choice from the following: A) 4^4y * 3^3y B) 20^y+1 C) 16^y + 9^y D) 12^y E) 4^y * 12^y
ans 20^y+1   (5^y + 5^y + 5^y + 5^y + 5^y) (4^y + 4^y + 4^y + 4^y)   (5*5^y)(4*4^y)   20*20^y=20^(y+1)..
<result>B</result>
Simplify (5^y + 5^y + 5^y + 5^y + 5^y) (4^y + 4^y + 4^y + 4^y)