Discover Questions

How many liters at STP will 453.6 grams of SO2 produce? Find the sum of cos^2 x + cos^2 (x+1°) + cos^2 (x+2°) + ... + cos^2 (x+179°).? W^44 + w^45 = ? Options : A)-1 B)-1/w C) 1/(-w^2) or none.
I know that w^3 = 1 the answer is c...how? Two review questions and an explanation would really help too on how you got the answer? The product of four fourth roots of 64 is :
Options: -1/0/2/none. Please guys!?