Find the following values without a calculator. Arrange the numbers from the smallest to the biggest.
- 8.7, 9.8, 7.9
- 7.89, 8.79, 9.78
- 2.21, 1.22, 1.21
(a)
(smallest) 7.9, 8.7, 9.8 (greatest)
(b)
(smallest) 7.89, 8.79, 9.78 (greatest)
(c)
(smallest) 1.21, 1.22, 2.21 (greatest)
Answer(s): (a) 7.9, 8.7, 9.8; (b) 7.89, 8.79, 9.78; (c) 1.21, 1.22, 2.21