Si usted se dirige a una institución con una aceleracion de 2m/s² y emplea el tiempo de 900 segundos a qué distancia se encuentra la institución con respecto al punto de donde partí

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.

Im so bad at fractions they are not my best math thing to work on

What is the answer to question 11? richard simplified an expression in three steps,as shown taking 04.10 segment one exam part one (flvs)