1.) Convert all measurements to meters:
2.5km * 1,000 = 2,500m ; .250km * 1,000 = 250m ; 2,500cm / 100 = 25m
25,000cm / 100 = 250m ; 250mm / 1,000 = .25m
2.) Compare the converted measurements. Therefore, the quantities that are equivalent to 250m are:
.250km ; 25,000cm