Answer:
7. 4.2× 10. -3
8. 9.5× 10 9
9. 1.3× 10-3
10. 3.0×10 2
6. 4.5×10⁴
7. 4.2×10^-3
8. 9.5×10^9
9. 1.3×10^-3
10. 3×10²
Explanation:
start counting just after the dot . hope it helps
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