Find the following values without a calculator. Round off the following numbers to the nearest 10.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 39
- 281
- 779
- 4894
(a)
39 (=) 40
(b)
281 (=) 280
(c)
779 (=) 780
(d)
4894 (=) 4890
Answer(s): 40, 280, 780, 4890