Answer:
The correct answer is 4294967296 possible ways to complete such a test.
Step-by-step explanation:
Step 1
The first step is to define the fundamental principle of counting. The fundamental principle of counting states that if a process can be carried out in n steps, where there are ways to complete the first step, ways to complete the second step, , and ways to complete the step, this process can be carried out in ways.
Step 2
We use the fundamental principle of counting with for a total of steps. This test can be carried out in ways. This comes from multiplying 4 by itself 16 times.
Answer:
20.2 ft^2
Step-by-step explanation:
Working shown in the pic.
Is the last one C !!!!!!!!
Remark
Many calculators have a key that will do this in one step. Mine is one of them. So let's start with the answer and then we'll do it the long way.
9C3 = 84. You put it into your calculator as 9 2nF nCr 3 =
Solution
3*4*7 = 84 which is what you set out to show.