Question

Express each of the following numbers using exponential notation:

(i) 512 (ii) 343 (iii) 729 (iv) 3125

Answer 1

(i) 512

= 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 = 29

(ii) 343

= 7 x 7 x 7 = 73

(iii) 729

= 3 x 3 x 3 x 3 x 3 x 3 = 36

(iv) 3125

=5 x 5 x 5 x 5 x 5 = 55