Question

a= 10-⁴ , b= 10-⁵ e C= 10³ determine o valor de:
1. a ÷ b²
2. a ÷ ( b×c)​

Answer 1

Resposta:

a =10⁻⁴ --------, b= 10⁻⁵ -------- c = 10³

a) a.b.c = 10⁻⁴ . 10⁻⁵ . 10³ = 10⁻⁴⁺⁽⁻⁵⁾⁺³ = 10⁻⁶

b) a:b² = 10⁻⁴ : (10⁻⁵)² = 10⁻⁴ : 10⁻¹⁰ = 10⁻⁴⁻⁽⁻¹⁰⁾ = 10⁻⁴⁺¹⁰= 10⁶