Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 90 x 40 = _____
- 600 x 90 = _____
- 7000 x 600 = _____
- 4000 x 4000 = _____
(a)
90 x 40 = 3600
(b)
600 x 90 = 54000
(c)
7000 x 600 = 4200000
(d)
4000 x 4000 = 16000000
Answer(s): 3600, 54000, 4200000, 16000000