Question

tema notação científica ,ajudaaaa! ,cálculo !​

Answer 1

Resposta:

(3⁻¹+5⁻¹)/(2⁻¹)

(1/3+1/5)/(1/2)

((5/15+3/15)/(1/2)

=(8/15) / (1/2)

=(8/15)*(2/1) =16/15

Letra D