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
- 454
- 603
- 4712
(a)
83 (=) 80
(b)
454 (=) 450
(c)
603 (=) 600
(d)
4712 (=) 4710
Answer(s): 80, 450, 600, 4710