answer:
1. 2.75×105
2. 7.3×10-4
3. 9×103
4. 8×102
5. 3.8×10-4
6. 2.
7. 4×103
8. 6.575 10
9. 2.1.2×[Tex]
10. 4.5.101
explanation:
I hope this helps