Respuesta :

s1m1

Answer:

Step-by-step explanation:

if you know 50*4=200, you must also know that 50*10=500 and that 4*100=400 so 500*400= 50*10*4*100

multiplication is comutative so

50*4*10*100=200*1,000= 200, 000

mercylauro

Answer:

500×400=

5×4=20

=20+(4 of zero)0000

200000

=200,000

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