{part A} Use the following model to answer the question. { part B} Which division problem is shown by the model?

A. 0.66 : 3 = 0.22

B. 0.66 = 3= 0.26

C. 0.78 : 3 = 0.62

D. 0.78 = 3 = 0.26

Pls , the question is in the picture!

6.(q^9)^2 a. 2q^18 b. q^18 c. q^81 d.q^11 7.(6q^6)^-4 a. 6q^1296 b. 1296q^2 c. 1/1296q^24 d. 6q^-24 8. what is the value of 12x^-3 y^-1 for x = -1 and y = 5? a. -12/5 b.-10 c.-0 d.5/12 9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?