Answer: 68,719,476,736 different ways to answer the quiz.
Step-by-step explanation:
We have 20 questions.
4 of them, have two options (true and false)
and 16 of them have 4 options (a, b, c and d.)
The total number of different ways of answering this quiz is equal to the product of the number of options for each case, then we have:
Combinations = (2^4)*(4^16) = 68,719,476,736 different ways to answer the quiz.
Answer:

Step-by-step explanation:

Start by distributing the
into all of the terms in between the second parentheses.

Next, distribute the
into all of the terms in between the second parentheses.

For the sake of simpler interpretation, I separated the two above, but they are together:

Since the terms are already in descending order, we do not need to rearrange them.
ANSWER: 3.14159265358979323846264338327950288419716939937510
EXPLANATION: Pi is an infinite decimal number with no end, which means that after the decimal point, the digits go on forever.
45 minutes x 22= 990, 990 divided by 60 is 16.5 hours or 16 and 1/2 hours