The correct answer is Choice B: 720.
To solve this, you have to use the Fundamental Counting Principal. You find the total number of options for each of the digits, then multiply them together.
For the first one, there are 10 options, then 9 options and finally 8 options.
10 x 9 x 8 = 720
Answer:
i got you just tell me the question
Step-by-step explanation:
Answer:
I think A
Step-by-step explanation:
sorry if it is not correct hope it helps
Answer:
the actual answer is 20 units
Step-by-step explanation:
Let

then you will have a^2-12a+36=0 and then you can just factor to find a