Module 8: Lesson 1

 

Self-Check 2

1. With three digits and three letters available, there are 10 × 10 ×10 × 26 × 26 × 26 = 17 576 000 license plates.

    

   With four letters and three digits, there are 26 × 26 × 26 × 26 × 10 × 10 × 10 = 456 976 000 license plates.

    

   This is an increase of 456 976 000 − 17 576 000 = 439 400 000 license plates.

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