In the biology lab of "Jefferson" High School there are 0.037*10^5 germs, equally divided among 74000*10^(-3) Petri dishes. How many germs live happily in a single dish?  Choose the correct choice from the following choices: A) 10 B) 20 C) 30 D) 40 E) 50

Rationale: 0.037 * 10 ^ 5 can be written as 3700 74000 * 10 ^ ( - 3 ) can be written as 74 required = 3700 / 74 = 50 answer : e
Answer: E