A particular substance decays in such a way that it loses half its weight each day. Find an explicit expression that represents the amount of the substance left on the nth day. Let the amount of substance on the first day weigh 512 grams. a. 512(1/2)^n
b. 1/2(512)^n-1
c. 512(1/2)^n-1
d. 1/2(512)^n

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.