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)
- 86
- 393
- 868
- 4134
(a)
86 (=) 90
(b)
393 (=) 390
(c)
868 (=) 870
(d)
4134 (=) 4130
Answer(s): 90, 390, 870, 4130