Mathematics, 19.07.2019 01:20 lucasrandall
Using the pin keypad in the picture, you can see that there are two letters on the number 1 key and three letters on 2 to 9 number keys. how many different pins are represented by the same sequence of keys as 2181?
question 11 options:
a)
36
b)
10
c)
1
d)
24
Answers: 3
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Using the pin keypad in the picture, you can see that there are two letters on the number 1 key and...
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