Baseball #1
Baseball #2
UPC
Credit Cards
100

What is the answer to #1?

.529

100

What is the answer #5?

3.07

100

Determine if #7 is valid or invalid.   If it's invalid, give the check digit.

not valid, d = 5

100

Determine if #11 is valid or invalid.   If it is invalid, give the check digit.

Valid

200

What is the answer to #2?

.289

200

What is the answer to #6 ?

3.35

200

Determine if #8 is valid or invalid.   If it is invalid, give the check digit.

not valid, d = 7

200

Determine if #12 is valid or invalid.   If it is invalid, give the check digit.

not valid, d = 9

300

What is the answer to #3?

123

300

What is the answer to #4?

40

300
Determine the check digit for #9.

d = 3

300

Determine the check digit for #13.

d = 0

400

Determine the check digit for #10.

d = 8

400

Determine the check digit for #14.

d = 6

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