Question

A soma 1,25 x 10-3 + 5,30 x 10-4 é igual a:

Answer 1

1,25X10-3X5,30X10-4:
1,25X10: 12.5
-3X5: -15
30X10:300
12.5 + (-15) + 300:
R= 297.5
Acho q ta certo rsrs