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.
- 8 x 8 x 8 = ______
- 8 x 25 = ______
- 8 x 900 = ______
(a)
9 x 9 = 81
(b)
8 x 8 x 8 = 512
(c)
8 x 25 = 200
(d)
8 x 900= 7200
Answer(s): 9, 512, 200, 7200