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)
- 23
- 101
- 509
- 2746
(a)
23 (=) 20
(b)
101 (=) 100
(c)
509 (=) 510
(d)
2746 (=) 2750
Answer(s): 20, 100, 510, 2750