Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 90 x 80 = _____
- 100 x 40 = _____
- 9000 x 100 = _____
- 3000 x 4000 = _____
(a)
90 x 80 = 7200
(b)
100 x 40 = 4000
(c)
9000 x 100 = 900000
(d)
3000 x 4000 = 12000000
Answer(s): 7200, 4000, 900000, 12000000