Texas' general issue plates currently have seven-digits that consist of three letters andfour numbers (AAA 9999) or three numbers followed by four letters (999 AAAA).Which pattern creates the most plates? Justify your answer.

Respuesta :

the pattern with three numbers followed by four letters have the most plates

Ex[planation:

letters from A to Z = 26

Numbers from 0 to 9 = 10

There 7 digits plate numbers that consists of three letters:

[tex]\begin{gathered} \text{For thr}ee\text{ }letters\text{ }followed\text{ }by\text{ four numbers:} \\ =\text{ l}etters\times\text{ l}etters\times\text{ l}etters\times\text{numbers}\times\text{numbers}\times\text{numbers}\times\text{numbers} \\ possible\text{ number of plates }=\text{ 26 }\times26\text{ }\times\text{ 26 }\times\text{ 10 }\times10\text{ }\times\text{ 10 }\times\text{ 10} \\ =\text{ 175760000} \end{gathered}[/tex][tex]\begin{gathered} \text{For thre}e\text{ numbers followed by four letters:} \\ =\text{ numbers}\times\text{numbers}\times\text{numbers}\times\text{letters}\times\text{letters}\times\text{letters}\times\text{letters} \\ \text{possible plate numbers = 10 }\times\text{ 10 }\times\text{ 10 }\times\text{ 26 }\times26\text{ }\times\text{ 26 }\times26 \\ =\text{ }456976000 \end{gathered}[/tex]

The pattern with three numbers followed by four letters have a higher possible number of plates than three letters followed by four numbers.

Hence, the pattern with three numbers followed by four letters have the most plates