markokristo2011 markokristo2011
  • 13-12-2020
  • Mathematics
contestada

How many 3-digit number can you write with only 4 and 7?

Respuesta :

meandmycousinmagic
meandmycousinmagic meandmycousinmagic
  • 13-12-2020

Answer:

8 numbers

Step-by-step explanation:

447

477

474

774

744

747

777

444

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