Nt1310 Unit 1 Assignment 1

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hello, Douglas.

The question is a brainstorming one.

First of all think of the fact that the digit "0" cannot be the begin the set of that 5 digits. I guess you understand the difference between 01234 and 12345. the formal is just 4 digits while the later is a 5 digit number.

with that being cleared. Then there will imagine the possible digits which are 0, 1, 2, 3,...,9. they form a set of 10.

it is normal to think that the possible ways of selections with regards to that question will be 10.10.10.10.10, but this is wrong remember that 0 cannot be the first digit in your set. therefore the best practice will be like this

if 0 is not the first selected choice then there will be only 9 digits in your digit basket. isn't it? then the normal

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