100 cm is longer
990 cm is longer because 100 cm is one meter; that is 9.9 meters
1m = 100cm 1km = 1000m So .21km = .21 * 1000 * 100 = 21000 cm
The answer is 1 km.
There are 100 cm in a metre, and 1000 metres in a km, so that would be 100*1000, which gives you 100,000 cm in a km.
10 mm in 1 cm. 100 cm in 1 m. 1000m in 1km.
1km = 100 000cm
1km is 100 000cm
No
100 cm is longer
There are 1000 meters per kilometer(km), and there are 100 cm per meter, so: 1km * 1000m/km * 100cm/m = 100,000 cm So, 1km= 100,000 cm
1 m = 100 cm 1 km = 1 000 m ⇒ 1km = 100 000 cm ⇒ 3 000 cm = 3 000 ÷ 100 000 cm = 0.03 km
990 cm is longer because 100 cm is one meter; that is 9.9 meters
To find 100 times longer than 65 mm in centimeters, first convert 65 mm to centimeters by dividing by 10, which equals 6.5 cm. Then, multiply 6.5 cm by 100, resulting in 650 cm. Thus, 100 times longer than 65 mm is 650 cm.
Dimensional Analysis: (100 cm/1 meter)*(100 m/1km)=10,000cm/km
1m = 100cm 1km = 1000m So .21km = .21 * 1000 * 100 = 21000 cm
The answer is 1 km.