Question

1. Resolva os cálculos com potências de base 10:
1. 1,2 x 10-3 + 3 x 10-3 =
5 x 10-4 x 4 x 105 =
2. 3 x 104 + 1,0 x 104 =
2 x 1010 x 8 x 103 =
3.2 x 105 - 1,0 x 104 =
5 x 10-2 + 1,0 x 10-4 =
4. 1,2 x 10-3 - 3 x 10-3 =
3 x 104 - 1,0 x 104 =
5.4 x 10-7 X (-3 x 10-2) =
7,8 x 103 + 1,2 x 104 =
6.-4 x 10-2 x 6 x 103 =
(-2 x 102)4 =
7.3 x 107: 3 x 10-2 =
(7 x 10-6)2 =
8. 1,5 x 104 : 5 x 103 =

Answer 1

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