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)
- 27
- 137
- 623
- 3079
(a)
27 (=) 30
(b)
137 (=) 140
(c)
623 (=) 620
(d)
3079 (=) 3080
Answer(s): 30, 140, 620, 3080