Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 87 x 3 = _____
- 511 x 2 = _____
- 6618 x 2 = _____
- 81009 x 2 = _____
(a)
87 x 3 = 261
(b)
511 x 2 = 1022
(c)
6618 x 2 = 13236
(d)
81009 x 2 = 162018
Answer(s): 261, 1022, 13236, 162018