stefanie331 stefanie331

24-10-2019
Mathematics

contestada

Pd-100 has a half-life of 3.6 days. If one had 620,310,740 atoms at the
start, how many atoms would be present after 21.6 days?

Respuesta :

LammettHash LammettHash

24-10-2019

Notice that 21.6 is 6 times the half-life of Pd-100, which means the amount of atoms is halved 6 times:

620,310,740 / 2^6 = 9,692,355.3125

so about 9,692,355 atoms remain.

Answer Link

Otras preguntas

What is the value of w(–9) when w(a)=-2|a+4|

An angle is 15 degrees less than twice its complement. find the angles

John's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs John $4.70 per pound, and type B coffee costs $5.90 per poun

How do you find the midpoint

The first step in risk analysis is to determine what and where the organization’s _________ are located.

How many motorcyclists killed in motor vehicle crashes in florida in 2012?

Melissa and Emily are playing at the pool.They have three different measuring jars for; liters, cups, and pints. They find that 7 cups of water and 3 liters of

Which statement correctly describes an electrode in a voltaic cell of copper and hydrogen?A. Copper atoms become copper ions at the anode because the SRP is mor

At what point during protein synthesis are genes expressed?

Help me please because I can't finish it