A total of 79 colonies were counted on a plate that received…

A total of 79 colonies were counted on a plate that received 1 mL of a diluted specimen. After calculating, it is determined that the total bacterial count in the original specimen was 7,900 colony forming units (CFUs). What is the dilution factor for the plating sample?

A total of 35 colonies were counted on a plate that received…

A total of 35 colonies were counted on a plate that received 1 mL of a diluted specimen. After calculating, it is determined that the total bacterial count in the original specimen was 35,000,000 colony forming units (CFUs). What is the dilution factor for the plating sample?

Suppose that on October 24 you buy 10 March gold futures con…

Suppose that on October 24 you buy 10 March gold futures contracts for $250 per ounce.At 11:00 am on October 25 you buy 8 more contracts for $259.0 ounce. At the close oftrading on October 25, gold futures settle for $260.5 ounce. If the contract size is 100ounces and the initial margin equals 2500, how much do you gain or lose as of the close?