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)
- 47
- 421
- 705
- 4723
(a)
47 (=) 50
(b)
421 (=) 420
(c)
705 (=) 710
(d)
4723 (=) 4720
Answer(s): 50, 420, 710, 4720