If a, b, c, d is geometric sequence, then
![\dfrac{b}{a}=\dfrac{c}{b}=\dfrac{d}{c}=const.](https://tex.z-dn.net/?f=%5Cdfrac%7Bb%7D%7Ba%7D%3D%5Cdfrac%7Bc%7D%7Bb%7D%3D%5Cdfrac%7Bd%7D%7Bc%7D%3Dconst.)
A. 5; 15; 25; 35
![\dfrac{15}{5}=3;\ \dfrac{25}{15}=\dfrac{5}{3}-NOT](https://tex.z-dn.net/?f=%5Cdfrac%7B15%7D%7B5%7D%3D3%3B%5C%20%5Cdfrac%7B25%7D%7B15%7D%3D%5Cdfrac%7B5%7D%7B3%7D-NOT)
B. 5; 10; 20; 40
![\dfrac{10}{5}=2;\ \dfrac{20}{10}=2;\ \dfrac{40}{20}=2-YES](https://tex.z-dn.net/?f=%5Cdfrac%7B10%7D%7B5%7D%3D2%3B%5C%20%5Cdfrac%7B20%7D%7B10%7D%3D2%3B%5C%20%5Cdfrac%7B40%7D%7B20%7D%3D2-YES)
C. 6; 12; 18; 24
![\dfrac{12}{6}=2;\ \dfrac{18}{12}=\dfrac{3}{2}-NOT](https://tex.z-dn.net/?f=%5Cdfrac%7B12%7D%7B6%7D%3D2%3B%5C%20%5Cdfrac%7B18%7D%7B12%7D%3D%5Cdfrac%7B3%7D%7B2%7D-NOT)
D. 7; 14; 21; 28
![\dfrac{14}{7}=2;\ \dfrac{21}{14}=\dfrac{3}{2}-NOT](https://tex.z-dn.net/?f=%5Cdfrac%7B14%7D%7B7%7D%3D2%3B%5C%20%5Cdfrac%7B21%7D%7B14%7D%3D%5Cdfrac%7B3%7D%7B2%7D-NOT)
Answer: The sequence B. 5; 10; 20; 40 is geometric.
Answer:
.45<.66
Step-by-step explanation:
If its greater than or less than
111.1 without remainder. With remainder its 111R2