Free trade negotiations between the United States and the five Central American countries began in 2002
The California Aqueduct should be the answer.
The population of Oregon which is given above may also be expressed in scientific notation as,
4 x 10^6
The magnitude of this number is the exponent of 10 in the scientific notation. Thus, the answer is letter "B. 6".
Answer:
ikd lol, its the future so