It looks like 21/2, though I am not sure what I can say about why!
"billion" = 109"trillion" = 1012"billion trillion" = 1021
21
21 zeroes: 1,000,000,000,000,000,000,000
6,300,000,000,000 (6.3 trillion).
It looks like 21/2, though I am not sure what I can say about why!
Trillion has 12 zeroes like 3,000,000,000,000 Next to trillion is quadrillion with 15 zeroes then quintillion with 18 zeroes then sextillion with 21 zeroes
The trisomy 21 in a karyotype would look like extra chromosome 21 I ^^
"billion" = 109"trillion" = 1012"billion trillion" = 1021
21
5.9725e+21
21
21 trillion AU
21 trillion AU
21 zeroes: 1,000,000,000,000,000,000,000
6,300,000,000,000 (6.3 trillion).
21/2=10.5 So 10.5 is the half of 21