Microbiology Experiments: A Health Science Perspective 8th Edition by John Kleyn, Samuel Certo, Anna Oller

Exercise 8

(To ponder) If a large dill pickle is 100 millimeters long (or 10 centimeters) and you magnified it 1,000×, how long would it appear? (Assume a yard is approximately a meter.)
a. as long as a table tennis table (~3 meters)
b. as long as a swimming pool (25 meters)
c. as long as a football field (100 meters)