u write four billion like 4,0000,000,000
ten billion 10,000,000,000.00
30,000,000,000 thirty billion
15.8 billion = 15,800,000,000
Six billion = 6,000,000,000
It is: 1.21*10^11 in scientific notation
121 = one hundred twenty-one.
I write 620 billion as 620 billion.
121 = 1.21 x 102
121 = one hundred twenty-one.
It is 121/100.
Sixteen point two billion is how I would write it.
You write 3.56 billion as 3,560,000,000.
60 minutes = 1 hour ⇒ 740 billion minutes = 740 billion ÷ 60 hours = 121/3 billion hours
You can write 40.3 billion as 40,300,000,000.
11 x 11 = 121
You can write out 1.8 billion as "1,800,000,000" or "one billion eight hundred million."