Find the following values without a calculator. Round off to the nearest tenth.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3, 0.4)
- 2.78
- 3.88
- 21.511
- 679.315
(a)
2.78 ≈ 2.8
(b)
3.88 ≈ 3.9
(c)
21.511 ≈ 21.5
(d)
679.315 ≈ 679.3
Answer(s): 2.8, 3.9, 21.5, 679.3