Answer:
000
Step-by-step explanation:
000
Answer:
40,320.
Step-by-step explanation:
We are asked to find the number of ways in which 8 books could be arranged on a shelf.
The 1st could be arranged in 8 ways. Since one place is filled, so 2nd book could be arranged in 7 ways.
Similarly, the 3rd book could be arranged in 6 ways as first two places are already taken. This process will go on.
So the 8 books can be arranged in
Therefore, 8 books could be arranged in 40,320 ways.
Answer:
90000 solar cells.
Step-by-step explanation:
At North America Solar Challenge, if there are 810 solar cars arranged in 9 rows, then there is solar cars in each row.
Now, given that teams use up to 1,000 solar cells to design and build solar cars for a race.
Therefore, each solar car contains 1000 solar cells to design.
Hence, in 90 solar cars in each row, there will be (1000 × 90) = 90000 solar cells. (Answer)
The correct answer is option B
Common factor is such a term which can be taken out common from entire expression i.e. each and every term of the expression. From the given expression we can take 4 as common from both the terms, so 4 is the answer.
4x + 8
4 (x + 2)