plis es urgente
doy coronita

Respuesta:
50×70=3,500
6800×10=68,000
9.5×1,000=9,500
3.9×100=390
1,000×32=32,000
5.7×1,000=5,700
15×1,000=15,000
1000×520=520,000
12×400=4,800
36×20=720