lauragurl01 lauragurl01

01-05-2017
Chemistry

contestada

The graph below shows the decay of a radioactive isotope. What is the half-life of the isotope?
A. 15 seconds
B. 25 seconds
C. 40 seconds
D. 200 seconds
The graph is in an attachment. :)

Respuesta :

robertterhune4 robertterhune4

01-05-2017

i think the answer is b

Answer Link

kgquann kgquann

20-11-2020

Answer:

C. 40 seconds

Explanation:

Answer Link

Otras preguntas

(-1+2p)(3 – 4p) My answer should be a polynomial in standard form. Can anybody help me?

Which of the following can only be classified as a building block for the human body A fats B vitamins C simple carbohydrates D complex carbohydrates

lisa has a circular garden with a diameter of 17.5 feet. If she uses 3 teaspoons of fertilizer for every 30 square feet, how much fertilizer will she need to co

What are the next 3 terms of the sequence? 3, 12, 48, 192

Drag the tiles to the correct boxes to complete the pairs. Match each term to the example that describes it. Tiles Researchers in the Amazon region found 100 di

A string is attached to a vibrating machine that has a frequency of 120 Hz. The other end of the string is passed over a pulley of negligible mass and friction

True or false: If you rub things together, electrons can move from one atom to another? A)true B)False

Which two Operating system include bitelocker

Three students are arguing over who can run the fastest. Three students are arguing over who can run the fastest. Student A says that she can run mile in six m

Please solve, you will get 10 points, trollers or people that answer just for points will be insta reported without hesitation