Question

the best order-of-magnitude estimate for 0.00006?
- 10^-3
- 10^-4
- 10^-5 * my answer
- 10^-6


the best order-of-magnitude estimate for 789,000?
- 10^7
- 10^6
- 10^5
- 10^4 *my answer
I don't understand this quite well but I want to make sure my answers are correct. Thanks!

Answer 1

.00006 = 6*10^-5
I'd round up to 10^-4

789000 is almost a million, or 10^6
It is 7.89*10^5, so it rounds up to 1.0*10^6

Answer 2

stop cheating on ur test