olgamgarcia98 olgamgarcia98
  • 25-09-2020
  • Mathematics
contestada

Thirty percent of a radioactive substance decays in four years.
By what percent does the substance decay each year?

Respuesta :

aj993978
aj993978 aj993978
  • 25-09-2020

Answer:

The substance decays by 7.5% every year

Step-by-step explanation:

Answer Link

Otras preguntas

Solve the equation. 3x+12 = 5x-21
A male rabbit has white hair; a female has brown hair. What do you think the most likey color of their offspring is?
Solve the problem. Mark can remember only the first 4 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit i
is 1/8 bigger than 1/2
If a jar of honey sits for a long time, sugar may crystallize in the jar. Describe two possible causes for the crystallization.
what was the primary purpose of southern implementation of black codes
Is the reaction rate always positive? why or why not?
The greenhouse effect is a result of
Substitution methode: 5x-3y=-11 x-2y=2
Distinguish between the terms "insoluble" and "unsaturated." Give an example to illustrate each term.