Step-by-step explanation:
(5.3 * 10³) - (8 * 10²)
= (5.3 * 10³) - (0.8 * 10³)
= 4.5 * 10³
= 4,500.
Answer:
[tex](5.3 \times {10}^{3} ) - (8 \times {10}^{2} ) \\ = (5.3 \times {10}^{3} ) - (0.8 \times {10}^{3} ) \\ = (5.3 - 0.8) \times {10}^{3} \\ = 4.5 \times {10}^{3} \\ = \boxed{4500}[/tex]
