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)
- 93
- 231
- 556
- 1724
(a)
93 (=) 90
(b)
231 (=) 230
(c)
556 (=) 560
(d)
1724 (=) 1720
Answer(s): 90, 230, 560, 1720