A lock has a code of 3 numbers between 1 and 20. If no numbers in the code are allowed to repeat, how many different codes could be made?

answer: (x)+4-5=-3

step-by-step explanation:

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8(4)^8=72^feet to say that the total can conclude to 8(4) which as you know would mean 8 x 4. that equals 32w. 32^ could make a 72 answer as well. but your coefficent will remain w so your answer is 72w.

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