0
Wiki User
5
Anonymous ∙
67
There are 3168 such numbers. 2673 have one 7 459 have two 7s 35 have three and 1 has all four 7s. Numbers with leading 0s are excluded.
5.28751 7s equals 37.
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18
80.
No. There are ~37.57 of them.
5x7=35, then 3-1=2, so 35+2=37
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answer:4