In scientific notation: 2.140 = 7.740549448*1012
2 to the 40th power is the same as 2 times itself 40 times.
140 = 1
It is 1
Approximately 1.478*1038
1180r80s-8
not exact, cause it's scintific notation, but 3.4556x10 to the 40th
40th = fortieth.
2-21 power = -19
21 to the 2nd power is 441.
Yes, St. Louis, Missouri is located approximately at 38.63 degrees north latitude, which is slightly below the 40th parallel.
The 40th multiple of 15 are 600.
40th birthday