isbinc200678 isbinc200678

16-12-2020
Mathematics

contestada

how many 2-digit numbers have the digit 7 only once?

Respuesta :

rayantaha705 rayantaha705

16-12-2020

Answer:

17, 27, 37, 47, 57, 67, 87, 97, so 8 of them

Step-by-step explanation:

those are all the 2 digit numbers with only one seven in them

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