Well, isn't that a big number! Let's break it down together. 150,000,000 is written as "one hundred fifty million" in words. Just imagine all the happy little zeroes coming together to create something truly magnificent.
One hundred fifty million.
One hundred fifty million.
150000000
One hundred fifty million.
150000000 x 50000 = 7500000000000
4666.6667
150000000 x 1000000 = 150,000,000,000,000
780,000,000
1,500,000
K or k is usually an abbreviation of thousand, so 150k would mean 150,000
alveoli
5400