Astate requires that all boat licenses consist of the letter a or m followed by any five digits. what is the number of combinations of letters and numbers available for boat licenses?

i will mark brainliest to the best answer.

2 choices for first letter (A or M) 
10 choices for first digit (0 to 9) 10 choices for second digit (0 to 9) 10 choices for third digit (0 to 9) 10 choices for fourth digit (0 to 9) 10 choices for fifth digit (0 to 9) 2 x 10 x 10 x 10 x 10 x 10  = 200,000 combinations

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