Answer:
n= -52/7
Step-by-step explanation:
7(n+8)=4
(7×n)+ (7×8)=4
7n +56=4
7n +56-56=4-56
7n+0= -52
7n=-52
7n/7= -52/7
n= -52/7
It would rotate 360 degrees because 18 seconds is twice the amount of 9 seconds, so you need to multiply 180 by 2, which is 360, or one full rotation.
5 x 108. The purpose of scientific notation is for scientists to write very large, or very small, numbers with ease.
