A radioactive substance decays at a rate of 10% per hour. which equation can you use to 5% of the substance left after 3 hours? A.) f(3)=3(0.90)10
B.) f(3)=10(0.90)3
C.) f(3)=100(0.10)3
D.) f(3)=100(0.90)3

Started: jun 20 at 10: 35pm quiz instructions question 3 y 2x+4 graph the system of linear inequalities 1 by < 2x-2 ty

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

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?