for question 1= 1 cm = 100 m ? = 2.50 m then cross multiply = 1 cm ×2.50 m/100 m = 5 cm/ 2 =2.5 cm so the answer is there are 2.5 cm in 2.50 m for question 2= 1 km = 1000 m ?=2.50 m then cross mutiply= 1 km × 2.5 m/ 1000 km 0.0025 km so the answer is there is 0.0025 km in 2.50 m hope i helped
