Three-digit 56441

Determine the number of all-natural three-digit numbers divisible by 9, consisting of the numbers 0, 1, 2, 5, 7:

Correct answer:

n =  10

Step-by-step explanation:

01257  x1=117 x2=171 x3=207 x4=225 x5=252 x6=270 x7=522 x8=702 x9=711 x10=720  n=10

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