Question

Resolva as expressões:

a) 2.10-2 + 5.10-5 =



b) 7.10-29 – 4.10-25 =



c) 1.10-3 + 9.10-7 =


​

Answer 1

Resposta:

a) 2.10 - 2 + 5.10 - 5=

20 - 2 + 50 - 5 = 63

b) 7.10-29 - 4.10 - 25=

70 - 29 -40 - 25=

-24

c) 1.10 - 3 + 9.10-7=

10 - 3 + 90 - 7=

90