4
zero
The order of magnitude of people in Portland is 5.
Tens of thousands.
1
Yes.
zero
The order of magnitude is "tens".
The order of magnitude for the number of states in the United States is 0
The order of magnitude for the number of states in the United States is 0
The order of magnitude of people in Portland is 5.
The order of magnitude is millions - 2 million, rounded.
There are 5 great lakes. The order of magnitude of the number 5 is 0. Order of magnitude is determined by powers of 10. So, 150 would be order of magnitude of 2, since you could write 150 as 1.5 * 102. Similarly, 5 can be written as 5 * 100, so the order of magnitude is 0.
4,000,000
Tens.
5
6
106 is.