First you have all ten books, but then every time after, you loose one because you can't put the same book in the group twice.
10 * 9 * 8 * 7 = 5040 groups
Answer:
12
Step-by-step explanation:
each letter can be used with each other 3 times and there are 4 letters so 12
Answer:
1. 104
2. 52
3. 52
Step-by-step explanation:
I think this is right I maybe be wrong buthere is nottees I toooks in 6th
Answer:
$13.80
Step-by-step explanation:
So we start with 12.99 then we have to multiply that by 0.06 to find what we would add which is 0.7794. After this we add 12.99 with 0.7794 and it becomes 13.7694 round this to the nearest hundredth and it becomes 13.80