Question

(60vezes10 elevado à-3 ) + (400vezes 10 elevado à 7)

Answer 1

$(60 \times {10}^{ - 3} ) + (400 \times {10}^{7} ) = \\ (60 \times 0.001) + (400 \times 10.000.000) = \\ 0.06 + 4.000.000.000 = \\ 4000000000.06$