A certain type of rice has an average grain length and diameter of 6 mm and 2 mm, respectively (assume that a graine has a form of a cylinder). One cup of this rice, after being cooked, contains about 755 food calories. Assume the cup volume is 220 cm3 . 

A- How many calories are there in one grain? 

B- How many calories are there in one grain? Express your answer using one significant figure. 

C- How many cups of uncooked rice are needed to provide 2000 food calories to each of four adults? Express your answer using three significant figures.

Answer rating: 100% (QA)

Here volume of 1 grain of rice V pi r2 h V 3141 0001... View the full answer