winniesmalls winniesmalls
  • 23-03-2020
  • Mathematics
contestada

explain how to find 40*50 using mental math?

Respuesta :

Stryfer
Stryfer Stryfer
  • 23-03-2020

Answer:

See Explanation

Step-by-step explanation:

We see that [tex]40=4*10\\50=5*10[/tex].  We can use this to find that [tex]40*50=4*5*10*10=20*100=2,000[/tex].

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destinylaws destinylaws
  • 23-03-2020

Answer:

2000

Step-by-step explanation:

 40

x 50

______

you multiply the 0 by 0 which is 0 and then you multiply the 0 by 4 and thats zero. then you multiply 5 by zero and then multiply five by 4 which is 20. that gives you 2000.

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