Asked by Elizabeth
How many different four-digit numbers can you make using all the digits in each set only once?
a. 1,2,3,4 b. 0,1,2,3 c. 0,0,1,2
a. 1,2,3,4 b. 0,1,2,3 c. 0,0,1,2
Answers
Answered by
bobpursley
a. 4*3*2*1
b. zero is not normally a leading digit, so it cant be used: 3*3*2*1
c. 2*2*1 Think this one out.
b. zero is not normally a leading digit, so it cant be used: 3*3*2*1
c. 2*2*1 Think this one out.
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