0150. In what different ways can we express the number 9,76510?
9,765 = 9,000 + 700 + 60 + 5
= 9 * 1000 + 7 * 100 + 6 * 10 + 5 * 1
= 9 * 103 + 7 * 102 + 6 * 101 + 5 * 100
(Obviously, there are also other ways of representing the number)