Workers Inc. just bought 14 boxes of pens to put in their storage room for employees to use as needed. Each box contains 30 pens. If each of the 36 employees working for Workers Inc. takes 3 pens when they are first brought into the office, how many pens will be left in the storage room?

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.