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.
- 9 x 9 x 9 = ______
- 11 x 25 = ______
- 9 x 200 = ______
(a)
9 x 9 = 81
(b)
9 x 9 x 9 = 729
(c)
11 x 25 = 275
(d)
9 x 200= 1800
Answer(s): 9, 729, 275, 1800