Directions: Simplify the following expressions using the imaginary number. 1. √-5

2. √-49

3. -3√-9

4. -8√-64

5. -√-50

6. -2√-12

7. 5√-12

8. √-8

9. 3√-7

10. -3√-200

Part B

Directions: Write the following numbers using the imaginary number i, and then perform the operations necessary and simplify your answer.

11. 2√-8 + 3√-50

12. √-4 + √-16

13. √-25 + √-9

14. i√-36 – i2

15. 3√-25 + 2√-49

16. √-48 • √72

17. 3√-9 • 2√-49

18. √-12 • √-36

19. √-16 • √-100

water molecules will move from the side of higher water concentration to the side of lower concentration until both solutions are isotonic. at this point, equilibrium is reached. in an isotonic solution, the flow of water in and out of the cell is happening at the same rate.

hope this < 3

step-by-step explanation: a reaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is:

y=mx+b is the final answer!   : )