Chau's rectangular flower bed measures 4ft long and 2ft wide. He wants to cover the flower bed in mulch. He knows the area each bag of mulch covers, but only in square centimeters.

(a) Find the area of Chau's flower bed in square centimeters. Do not round intermediate computations and round your final answer to two decimal places. Use the table of conversion facts, as needed.

?cm^2

(b) Chau wants to cover his flower bed with mulch. He doesn't have any to begin with and he can't buy partial bags of mulch. Each bag of mulch covers 650cm2. How many whole bags of mulch does Chau need to buy to completely cover his flower bed?

Bags: ?

(c)If each bag of mulch costs $4.19 how much will he need to spend on mulch? Round to the nearest cent.