Resposta :
Resposta:
a (5.10⁴)+(7,1•10²) = 50710
b (7,7•10⁶)-(2,5•10³) = 7697500
c) 4,3•10³•(7•10²) = 3010000
d 6•10³:8,2•10² = 73170,73171
Resposta:
a (5.10⁴)+(7,1•10²) = 50710
b (7,7•10⁶)-(2,5•10³) = 7697500
c) 4,3•10³•(7•10²) = 3010000
d 6•10³:8,2•10² = 73170,73171