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.
- 7 x 7 x 7 = ______
- 3 x 25 = ______
- 5 x 500 = ______
(a)
9 x 9 = 81
(b)
7 x 7 x 7 = 343
(c)
3 x 25 = 75
(d)
5 x 500= 2500
Answer(s): 9, 343, 75, 2500