Softballday33 Softballday33

06-10-2016
Mathematics

contestada

How many different codes of 4 digits are possible if the first digit must be 3,4, or 5 and if the code may not end in 0?

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apologiabiology apologiabiology

06-10-2016

3 options for first
10 for 2nd and 3rd
9 for last

3*10*10*9=2700

2700 ways

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genevieveanyimadu genevieveanyimadu

26-05-2021

Answer:2700

Step-by-step explanation: 10*10*9*3

Answer Link

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