Question

Need the answer showing work thank you.

Answer 1

Answer:

6 without repetition

27 with repetition

Step-by-step explanation:

without repetition, you have 3 digits to choose from initially, then only 2, then only one, i.e.:

3×2×1 = 6

with repetition, you have 3 digits to choose from for every spot:

3×3×3 = 27