Answer:
2
Step-by-step explanation:
Answer:
A)
Step-by-step explanation:
Answer:
the price was reduced by a quarter
Answer:
B. 3×10^13
Step-by-step explanation:
The first two digits are fixed at one of three pairs of values; the last digit is "fixed" as the check digit, leaving 16 - 3 = 13 free digits. These can take on any of 10^13 values.
The total number of possible card numbers is 3×10^13.
Answer:
single payment of a loan
Step-by-step explanation: