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)
- 21
- 361
- 648
- 2821
(a)
21 (=) 20
(b)
361 (=) 360
(c)
648 (=) 650
(d)
2821 (=) 2820
Answer(s): 20, 360, 650, 2820