Solution

Question\n\nConsider a cryptographic system that generates an 8-character password. Each character in the password can be either a lowercase letter ($a-f$) or a digit ($0-5$). How many passwords can be generated if each password must contain exactly 5 lowercase letters and 3 digits:\n\nContent coming soon. Write the full solution here, or use the part files (p-i.mdx, p-ii.mdx, …) for each part.