grade12

Given the digits: 3 ; 4 ; 5 ; 6 ; 7 ; 8 and 9 11.1 Calculate how many unique 5-digit codes can be formed using the digits above, if: 11.1.1) The digits may be repeated (2) 11.1.2) The digits may not bc repeated (2) 11.2 How many unique 3-digit codes can be formed … Read more