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)
- 79
- 438
- 799
- 1692
(a)
79 (=) 80
(b)
438 (=) 440
(c)
799 (=) 800
(d)
1692 (=) 1690
Answer(s): 80, 440, 800, 1690