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)
- 16
- 449
- 725
- 3833
(a)
16 (=) 20
(b)
449 (=) 450
(c)
725 (=) 730
(d)
3833 (=) 3830
Answer(s): 20, 450, 730, 3830