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)
- 38
- 400
- 639
- 1120
(a)
38 (=) 40
(b)
400 (=) 400
(c)
639 (=) 640
(d)
1120 (=) 1120
Answer(s): 40, 400, 640, 1120