1 kilometer=100,000 centimeters
There are 2.54 cm. in one inch.
There are 3280.84 feet in a kilometer.
1000 m
7,910
1.5m are in 150cm.
There are 300 centimeters in 3 meters.
The circumference is 42.538 cm
159 centimeters = 5.21653543 feet 159 centimeters = 62.5984252 inches Or 5 ft 2.6 inches.
N
2n can be split into 2 n's so: n+n then add one to one of the n's and subtract one from one of the n's n+1+n-1 ^two consecutive odd integers^
This one here:( n / 3 ) ^ n < n ! < ( n / 2 ) ^ n
Not sure about one forth, but one fourth is (1/4)*n or n/4.