Situation: Which one of the following is not equal to 100 meters? We were given 4 different choices with corresponding values, not let's start finding the correct answer. => 0.100 kilometers 1 meter = 0.001 km 100 meters = 0.1 km => 10 hectometers 1 meter = 0.01 hm 100 meters = 1 hm => 10,000 centimeters 1 meter = 100 centimeters 100 meters = 10 000 cm => 100,000 millimeters 1 meter = 1000 mm 100 meters = 100 000 mm <span>thus the not equal answer is hectometer</span>