abbysample22 abbysample22

07-06-2022
Chemistry

contestada

Assuming a parent isotope with a half-life equal to 4.5 billion years, what percentage
of the original parent remians after 6.75 billion years have passed?

Respuesta :

jsimpson11000 jsimpson11000

07-06-2022

Answer:

35.4 % left

Explanation:

6.75 / 4.5 = 1.5 half lives

1/2 ^(1.5) = .354 or 35 .4 %

Answer Link

Otras preguntas

If you stand next to a wall on a frictionless skateboard and push the wall with a force of 50 N , how hard does the wall push on you? Express your answer to two

Mr. Rives' rotating sprinkler waters his lawn up to a radius of 7 feet. What is the maximum number of square feet of lawn mr. Rives can expect two sprinklers to

Andrew (39) and Lacy (40) are married, and both are the parents of Zach (9). They all lived together until Lacy moved out on September 25. Zach stayed in the ho

Which of the following is an example of cultural relativism? Group of answer choices a.Helena putting aside her vegetarianism to eat meals with the local tribe

7.748 divided by 0.52 is what

A researcher is curious about the average IQ of registered voters in the state of Florida. The entire group of registered voters in Florida is an example of a _

What were some of the challenges of establishing an American republic after the Revolution?

Autorhythmic cells are located only in the interventricular septum. True or False?

the swim bladder of a fish helps keep the fish from sinking by_______. A) increasing its weight B) decreasing its weight C) increasing its buoyancy D) decreas

Quinton's modified adjusted gross income was $352,000 in 2018. He is single, and his income consisted of $299,000 in wages and $53,000 of dividend income. Quint