Answer:
Step-by-step explanation:
![a_{1}=1\\d=-3-1=-4\\a_{n}=a_{1}+(n-1)d\\a_{n}=1+(n-1)(-4)\\a_{n}=1-4n+4\\a_{n}=5-4n](https://tex.z-dn.net/?f=a_%7B1%7D%3D1%5C%5Cd%3D-3-1%3D-4%5C%5Ca_%7Bn%7D%3Da_%7B1%7D%2B%28n-1%29d%5C%5Ca_%7Bn%7D%3D1%2B%28n-1%29%28-4%29%5C%5Ca_%7Bn%7D%3D1-4n%2B4%5C%5Ca_%7Bn%7D%3D5-4n)
Answer:
10.659 has 5 significant figures.
Step-by-step explanation:
Any number that is not 0 is a significant figure. There are 4 numbers that are not 0. Then, any 0 that is between two non-zero numbers is significant. The 0 is this number is between 1 and 6, so it is significant. Therefore, all the digits in this number are significant.
Answer:
The survey results will be inaccurate since the entire sample of the population was eating at the same restaurant.
Step-by-step explanation:
When doing a survey you must make sure it is unbiased by asking a variety of people for example if you are wondering what is the favorite class at school you have to ask a certain amount of people from each class because if you ask only people from P.E the answer more than likely will be P.E or if u ask 3 people from Art and 17 from P.E your answer will properly be P.E. Make sense?
Answer:
4m
Step-by-step explanation:
2 + 4 + 5 + 7 = 18
36 / 18 = 2
shortest side: 2 x 2 = 4 m