Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 70 x 40 = _____
- 400 x 70 = _____
- 7000 x 400 = _____
- 9000 x 9000 = _____
(a)
70 x 40 = 2800
(b)
400 x 70 = 28000
(c)
7000 x 400 = 2800000
(d)
9000 x 9000 = 81000000
Answer(s): 2800, 28000, 2800000, 81000000