Mathematics for IGCSE & O level - Indices 1 (Section 3 - No. 42)
Which of the following is a correct example of index notation?
4 x 4 x 4 x 4 = 44
5 x 5 x 5 = 52
2 + 2 + 2 = 23
3 x 3 = 31
Обяснение
Index notation is a shorthand for repeated multiplication of a number.