polkatheneko360 polkatheneko360

01-03-2021
Mathematics

contestada

how much of a radioactive kind of protactinium will be left after 28 hours if you start with 672 grams and the half-life is 7 hours?

Respuesta :

01-03-2021

Answer:

Step-by-step explanation:

672·0.5^(28/7) = 672·0.5⁴ = 42 grams

Answer Link

Otras preguntas

In the diagram, two parallel lines are intersected by a transversal. Which statement is true?

15. When should most people begin limiting fats and cholesterol in their diets?

Questions to ask frank from the movie catch me if you can

We have a $500,000 line of credit with a 10% compensating balance. The quoted interest rate is 4.5%. We need $200,000 for inventory for one year. What is the ef

It would be nice if somebody could help me! (I'm trying to give out points!)

If the function f (2) 3x2 + bx + 2 has no real roots, which of the following could be the value of b? -7, -1, 8, 010

PLEASE HELP I'LL MARK BRAINLIEST!!!!!

b) Fungi and bacteria are microorganisms that are important to the economy of the country. Food and agriculture industries depend a lot on both these organisms.

Caterpillar Inc. (CAT) pays an annual dividend of $4.45. The company is expected to continue paying this dividend with no future growth in dividends. Investors

A company's daily cost c, in hundreds of r dollars, to manufacture n items of a certain product can be modeled by the function c^-1(5)=80, Lording to the model,