1000
Ther are 1,050 BTU in one cubic foot of natural gas.
1 centimetre = 10 millimetres so 1.6 cm = 1.6*10 = 16 mm. Simple!
there are approx. 293 ci. ther are 61 ci per liter.
a lot
tooo many to count
ulimited can not end
100
22
ther is 5
45
45 billion