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)
- 80
- 425
- 591
- 3097
(a)
80 (=) 80
(b)
425 (=) 430
(c)
591 (=) 590
(d)
3097 (=) 3100
Answer(s): 80, 430, 590, 3100