S22400589 S22400589

04-05-2020
Mathematics

contestada

If 40% of a radioactive substance remains after 20 years, what is the half-life of the substance?

Respuesta :

abrienbowman7 abrienbowman7

04-05-2020

Answer:

192 Hr

Step-by-step explanation:

Answer Link

cuentaprivada046 cuentaprivada046

04-05-2020

Answer:

it would be 176hrs of half life

Answer Link

Otras preguntas

A country's population in 1991 was 147 million. In 1998 it was 153 million. Estimate the population in 2017 using the exponential growth formula. Round your ans

What occurred in Germany on the nights of November 9th and 10th in 1938?

Find all solutions of the equation in the interval [0, 2π). (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) 4 sec2 x

What is the phylum name?

Which of the following methods is NOT effective when it comes to resolving conflicts? A. Never discussing things when you are angry B. Giving each other a chanc

If you vertically stretch the exponential function f(x) = 2x by a factor of 3, what is the equation of the new function?

The Soviet Union wanted to spread communism, whereas the United States and U.S.-aligned nations sought to a. overthrow the Soviet premier b.use satellite state

NEED HELP ASAP!! What is the value of 5 + 3x when x = 4? A.12 B.17 C.32 D.86

What is the area of the figure?

What role of today's federal government did Theodore Roosevelt first champion during his presidency? A. The regulation of food and drug industries B. Restrictio