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)
- 75
- 158
- 957
- 2520
(a)
75 (=) 80
(b)
158 (=) 160
(c)
957 (=) 960
(d)
2520 (=) 2520
Answer(s): 80, 160, 960, 2520