What are the following?
(a) 10
(b) 01
(c) 20
(d) 02
(a) 10 = 1
(b) 01 = 0
(c) 20 = 1
(d) 02 = 0 × 0 = 0
OpenLearn - Squares, roots and powers Except for third party materials and otherwise, this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence, full copyright detail can be found in the acknowledgements section. Please see full copyright statement for details.