Question

Aplicando as propriedades,resolva as expressões a seguir:
a) 56,7×10^-3+0,01×10^3
b) 15200×10^2+6,4×10^4
c)7,86×10^12+3,54×10^17
d) 3,5×10^7×4,3×10^-5
e) 9,3×10^-6÷3,1×10^-3

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Answer 1

Resposta:

a) 56,7×10^-3+0,01×10^3=10.0567

b) 15200×10^2+6,4×10^4=1584000

c) 7,86×10^12+3,54×10^17=3.5400786e+17

d) 3,5×10^7×4,3×10^-5=1505

e) 9,3×10^-6÷3,1×10^-3=3e-9