Question

Realize as operaçoes com as notaçoes cientificas a seguir A) 2,7.10³+3,2.10³ B) 6,8.10⁵-3,5.10⁵ C) 2,1.10³×3,2.10² D) 12,3.10⁸÷4,1.10⁵

Answer 1

Resposta:

Explicação passo-a-passo:

A)  2,7.10³ + 3,2.10³ =

(2,7 + 3,2).10³ =

= 5,9.10³

B)  6,8.10^5 - 3,5.10^5 =

(6,8 - 3,5).10^5 =

= 3,3.10^5

C)  2,1.10³  x  3,2.10² =

(2,1 x 3,2).10³+² =

= 3,3.10^5

D)  12,3.10^8 : 4,1.10^5 =

(12,3 : 4,1).10^8-5 =

= 3.10³