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)
- 83
- 423
- 817
- 3464
(a)
83 (=) 80
(b)
423 (=) 420
(c)
817 (=) 820
(d)
3464 (=) 3460
Answer(s): 80, 420, 820, 3460