A builder has to pour a concrete slab 12 centimeters thick to cover an area 10 meters long and 2 meters wide. How many cubic meters of concrete will the builder need?	Choose the correct choice from the following answers:
A) 1.4 cubic meter
B) 2.4 cubic meter
C) 3.4 cubic meter
D) 4.4 cubic meter
E) 5.4 cubic meter
Thikness= 12cm. =0.12m.   area is 10m. long and 2m. wide;   So, total concrete needed is = the volumn of the area = (0.12 * 10 * 2)= 
<gadget id="calculator">(0.12 * 10 * 2)</gadget>
<output>2.4</output>
2.4 cubic meter.   ANSWER:2.4 cubic meter
<result>B</result>
A builder has to pour a concrete slab 12 centimeters thick to cover an area 10 meters long and 2 meters wide. How many cubic meters of concrete will the builder need?