Find the following values without a calculator. Arrange the numbers from the smallest to the biggest.
- 87, 98, 79
- 234, 324, 423
- 221, 122, 121
(a)
(smallest) 79, 87, 98 (greatest)
(b)
(smallest) 234, 324, 423 (greatest)
(c)
(smallest) 121, 122, 221 (greatest)
Answer(s): (a) 79, 87, 98; (b) 234, 324, 423; (c) 121, 122, 221