31205000 to 31214999
It is: 210
It is 210.
It is 211. What it gets rounded to will depend on the degree of rounding.
(15/100) * 1 400 000 000 = 0.15 * 1 400 000 000 = 210 000 000 (210 million)
210
It is 210
210
210
210
210
210
14 is the GCF of 210 and 224. 210 is the LCM of 14 and 15. Other combinations are possible, but not the one it looks like you were trying to write.