Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3, 0.4)
- 6.8 - 4.7 = ______
- 3.09 - 3.06 = ______
- 2.1 - 0.21 = ______
- 13.49 - 10 = ______
(a)
6.8 - 4.7 = 2.1
(b)
3.09 - 3.06 = 0.03
(c)
2.1 - 0.21 = 1.89
(d)
13.49 - 10 = 3.49
Answer(s): 2.1, 0.03, 1.89, 3.49