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)
- 18
- 281
- 554
- 2249
(a)
18 (=) 20
(b)
281 (=) 280
(c)
554 (=) 550
(d)
2249 (=) 2250
Answer(s): 20, 280, 550, 2250