Suppose r integers, 0 < r < 10, are chosen from (0, 1, 2, ...,9) at random and with replacement. The probability that no two are equal, is

• A. \(\dfrac{10!}{10!r!}\)
• B. \(\dfrac{10!}{10!(10-r)!}\)
• C. \(\dfrac{10!}{r!(10-r)!}\)
• D. \(\dfrac{10!}{10^r \times r! \times (10-r)!}\)