Step-by-step explanation:
x = 1.21212121.....
100x = 121.21212121...
Therefore 99x = 120 and x = 120/99 = 40/33.
The answer is 29029
10000+19000+20+9=29029
United States
3.30404742 x 10^8 scientific notation
330,404,742 standard
Cincinnati
3.02605 x 10^5 scientific notation
302,605 standard
China
1.394015977 x 10^9 scientific notation
1,394,015,977 standard
-320. The negative sign represents loss. In all of the other cases, values are either being added or not changed at all.