0
Anonymous
5
Wiki User
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.
80.
18
14
No. There are ~37.57 of them.
5x7=35, then 3-1=2, so 35+2=37
6
answer:4
10