Provide an appropriate response.Assume that the volume of the earth is 5 × 1014 cubic meters and the volume of a bacterium is 2.5 × 10-16 cubic meters. If the earth could be filled with bacteria, how many would it contain?
A. 2.0 × 10-30 bacteria
B. 5.0 × 10-31 bacteria
C. 5.0 × 1031 bacteria
D. 2.0 × 1030 bacteria
Answer: D
Mathematics
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Provide an appropriate response.Fill in the blank to complete the statement. Each number in a matrix is called 
of the matrix.
A. an expansion B. a determinant C. a minor D. an element
Mathematics
Solve the problem.A railroad car cost $12,300 and has an estimated life of 11 years and a scrap value of $1353. Find the book value at the end of 9 years using the straight-line method. Round to nearest dollar.
A. $2236 B. $8957 C. $3343 D. $11,305
Mathematics
Convert.8 pt to gallons
A. 2 gal
B. 
gal
C. 1
gal
D. 1 gal
Mathematics
Find the median. If necessary, round to one decimal place.14, 18, 31, 59, 69, 72, 79
A. 49.4 B. 69 C. 31 D. 59
Mathematics