The answer is 4 square root 80
Answer:
2. Alex sent the questionnaire only to those who live near her.
Step-by-step explanation:
Given scenario is :
Alex is conducting a survey for a car company. She decides to start by interviewing some people in her neighborhood.
She prepares a questionnaire and emails it to 50 neighbors who own cars. Of those neighbors, 24 respond.
We can see that Alex sent the questionnaire to only her neighbors or people who live near her, so this will be the reason the sample will be biased.
Answer:256
Step-by-step explanation:To divide power of the same base,subtract the denominator's exponent.Subtract 4 from 7 to get 4.Then calculate 4 to the power of 4 and get 256
Answer:
![b = 4](https://tex.z-dn.net/?f=b%20%3D%204)
Step-by-step explanation:
subtract by 5 on both sides. ur left with
![{b}^{2} = 16](https://tex.z-dn.net/?f=%20%7Bb%7D%5E%7B2%7D%20%20%3D%2016)
square root b and 16. the square root cancels out b squared. find the square root of 16. the square root of 16 is 4