Question

Calcule
A) 6 x 10^5 . 3x10^-2
B) 2,5x10^-2 - 0,6 x 10^-1
C)4,2x10^-3 / 20000
D) (5x10^-5 + 10x10^-7) / 2x10^3
(^= elevado a )

Answer 1

A) 1,8x10^4

B) -3,5x10^-2

C) 1,05x10^-7

D) 2,55x10^-8