Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 10 x 90 = _____
- 900 x 80 = _____
- 9000 x 900 = _____
- 5000 x 7000 = _____
(a)
10 x 90 = 900
(b)
900 x 80 = 72000
(c)
9000 x 900 = 8100000
(d)
5000 x 7000 = 35000000
Answer(s): 900, 72000, 8100000, 35000000