The population of oregon is about 4,000,000. what is the order of magnitude of this number? a) 7. b) 6. c) 3. d? 4

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". 

Where exactly from michigan?

Exploration mission 2;