It is already in decimal form and equates to 825 ten-thousandths.
ok first Fibonacci is spelled with one n, two c's, and no h and he showed how to do arithmatic in the decimal system
"He showed it to her" is much better.
You Showed Me was created in 1964.
I showed him to his room.
Showed workers that organized labor was powerful.
They showed that business had rights.
it showed that they have rights.
The past tense is showed.
Kayce R.F showed the greatest player ever how to play. i showed him every thing
The teacher showed her class how to read a book. The farmer showed his best bull at the local show.
decimal
Nicolaus Copernicus showed that our universe is heliocentric.