Can someone me understand this? and also check if i'm right? 1. you would earn if you take this job, the company would require that you work for 8 hours a day, 5 days per week. they would pay you $15 an hour. using the formula, determine how much you would make each week. my g=rdh aka $600=(15)(5)(8) i would make $600 each week. 2. the surpervisor also tells you that they could arrange for you to work for a salary. transform the formula so you can determine how much money you would make per hour. solve for r. g=rdh my idk me understand this question, i don't get it.

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.