Question

O valor de 3.10^5+ 2.10^6:
A)32.10^5
B)23.10^5
C) 32.10^6
D)23.10^6
E)5.10^6

Answer 1

3.10^5 + 2.10^6 = 23 . 10^5

(3 + 2 . 10) .10^5

(3 + 20) . 10^5

23 . 10^5

Resposta B