Answer:
5
Step-by-step explanation:
4 binary digits have 2^4 = 16 combinations.
The combinations with exactly one 1 are: 1000, 0100, 0010 and 0001. So 4 out of 16 codes have exactly one 1.
The chances of that are 4/16 = 1/4.
Answer:
25 pages.
Step-by-step explanation:
all the other answers seem to be less than 200. 20(10) is 200, but it says more than 200 pages. so that means the only correct answer is 25 pages per day. 25(10) is 250 pages, exceeding 200.
Answer:
Step-by-step explanation:
Let the initial position be zero
Drop 224 feet
Climbing 180 feet
Drop 191 feet
Overall change is -235 feet drop
Change .525 to 525/1000. simplify the fraction, your simple ratio is 21/40, the answer is 61 gallons