For the first digit there are 7 choices. For the second digit there are 6 choices (because we can't use the same one again). And so on, until there is only one choice for the last digit.
The number of possible codes is this:
7*6*5*4*3*2*1 = 7! = 5040
Answer:
I'm pretty sure it would be base x height divided by 2 so 20×6÷2
Answer:
16
Step-by-step explanation:
Let's take a look.
So we have 3*2*2*2*2=48 glasses
if half used 2 and other half used 1... we have a sum of 2+1=3
so 48/3 = 16
Well I think it is F bc it is asking to compare the two numbers of the books that Mary and Paul have not adding
Five is the answer hope that helps