Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- If A x A = 81, find A.
- 4 x 4 x 4 = ______
- 6 x 25 = ______
- 2 x 400 = ______
(a)
9 x 9 = 81
(b)
4 x 4 x 4 = 64
(c)
6 x 25 = 150
(d)
2 x 400= 800
Answer(s): 9, 64, 150, 800