Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3, 0.4)
- 7.9 - 3.5 = ______
- 1.72 - 1.71 = ______
- 4.7 - 0.47 = ______
- 18.93 - 10 = ______
(a)
7.9 - 3.5 = 4.4
(b)
1.72 - 1.71 = 0.01
(c)
4.7 - 0.47 = 4.23
(d)
18.93 - 10 = 8.93
Answer(s): 4.4, 0.01, 4.23, 8.93