If a, b, c, and d are replaced by four distinct digits from 1 to 9, inclusive, then what's the largest possible value of the difference a.bc - 0.d?
+775 a = 9, b = 8, c = 7, and d = 1
9.87 - 0.1 = 9.77. The largest possible value is \(\boxed{9.77}\).
- PM
+775 a = 9, b = 8, c = 7, and d = 1
9.87 - 0.1 = 9.77. The largest possible value is \(\boxed{9.77}\).
- PM
