A rectangular field of corn is averaging 97 bu/acre. The field measures 1,080 yd by 988 yd. How many bushels of corn will there be? Use the appropriate number of significant digits.
A) 21,400 bu
B) 22,400 bu
C) 21,000 bu
D) 11,000 bu
E) 21,750 bu

Question

Quizplus · Accepted Answer

The field area is 1,080 yd x 988 yd = 1,067,520 sq yd. Converting to acres: 1,067,520 sq yd x (1 acre / 4840 sq yd) = 220.58 acres. Multiplying by the yield: 220.58 acres x 97 bu/acre = 21,400 bu. The answer should be rounded to two significant digits, which is 21,000 bu.

A Rectangular Field of Corn Is Averaging 97 Bu/acre