Graciouzgigi9983 Graciouzgigi9983
  • 22-05-2017
  • Physics
contestada

After two hours, 1/16 of the initial amount of a certain radioactive isotope remains undecayed. The half-life of the isotope is:

Respuesta :

orisisa
orisisa orisisa
  • 22-05-2017
The half life is 30 minutes.
30 mins- 1/2 left
60 mins- 1/4 left
90 mins- 1/8 left
120 mins- 1/16 left
120 mins= 2 hours
Answer Link

Otras preguntas

Please help will make brainlyest answer fast please
Distance the points Q(-1,-7) and H(-4,1) in coordinate plane
. Triangle EFG has vertices E(-2, 1), F(-1, 4), and G(3, 4). Graph the figure and its image after a clockwise rotation of 90° about vertex F. Then write the coo
Listen the Music "Sanlibutan" by Ang Grupong Pendong and answer the questions below:1. What particular instruments do you hear were used in this recording?2. We
People who work in which of these perform tertiary economic activities a brewery a restaurant a fishing company a utility company
Key term of for the shape of the earth. It has bulging equator and squeezed poles. A. EclipseB. Solstice C. HeliocentrismD. Oblate spheroid​
Which is a reason why it is important to organize information before preparing a business report?.
Find and simplify the product of the following rational expression
What is the area of the figure ?
write a 2 paragraph summary. In your summary, make sure you tell me what a union is and why it is important.