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.
- 12 x 12 x 12 = ______
- 7 x 25 = ______
- 5 x 400 = ______
(a)
9 x 9 = 81
(b)
12 x 12 x 12 = 1728
(c)
7 x 25 = 175
(d)
5 x 400= 2000
Answer(s): 9, 1728, 175, 2000