To calculate an answer to the correct number of significant figures, you must complete all calculations first and then round your final answer as the very last step. in part c, you are asked to calculate the volume of a rectangular prism that has a length of 5.6 cm, a width of 2.1 cm, and a height of 6.6 cm. you can calculate the volume of a prism by multiplying the area of the base times the height. you already calculated the area of the base as 2.1cm×5.6cm in part a.

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.