The values below represent the heights of 4 candles on Rachel's mantle: to the square of 45 in., 2in., 61/9 in., 2to the square of 9 in. Rachel wants to arrange the candles in order from least to greatest. List the correct order of the lengths. (You can copy and paste from the question) *

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.