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

If matrix C represents (A-B)+A, the value of the entry represented by C41 is

Which of the following is an example of the Black Codes? Former slaves could only work as farmer or servants. Former slaves had to pay a fee to attend school. F

Managerial accounting is applicable to service entities. manufacturing entities. not-for-profit entities. all of these.

Cast iron has about how much carbon content? A)Less than 1% B)2% C)3% D)4% or higher

Teresa is preparing a speech about end of year exams in high school. Which of the following is the least likely to be an effective source for her to find credi

a student never fails and if so who is to be held answerable? give logical reasons to justify your answer

Ricky draws a square . He claims that any rotation about the center of the square that is a multiple of 30 degrees will carry the square onto itself . Which sta

Write the product in its simplest form: 9c4.9c8 Enter the correct answer. OOH DONE Clear all ?

Hello, I have a normal level of English. What can I do to improve my English. Please write someone whose native language is English.

at what age did mr.crabtree begin work at a factory