Respostas

2014-03-02T10:55:44-03:00
Resposta

6.10⁻³ + 4,3.10⁻³ = 10,3.10⁻³ = 1,03.10⁻²

5,2.10³ - 2.10³ = 3,2.10³

125.10⁴ / 5.10⁵ = 25.10⁴.10⁻⁵ = 25.10⁻¹ = 2,5

3.10⁸.8.10⁻⁵ = 24.10³ = 2,4.10⁴

(6.10⁻⁵)² = 36.10⁻¹° = 3,6.10⁻⁹

10⁷ / 10⁵ =  10⁷.10⁻⁵ = 10²
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