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

What is the value of the expression? (–2)5

Find the slope and y intercept 4x-5y=5

A recipe that makes 7 servings calls for cup of apple juice and cup of cranberry juice. How many cups of juice are there per serving? A. B. C. D.

The sum of three consecutive even numbers is 156. What is the smallest of the three numbers

There is 27 campers. This is nine times as many as the number of counselors. how many counselors are there?

is 4.110 greater than or less than 4.10

Is water a compound?

physical form in which a substance can exist

(8.41 x 10 to the fourth) + (9.71 x 10 to the fourth)

simplify the expression w+14w-6w & 3a²+6a+2b²