Question

Odita wants to know if the students in her school like to play cricket.

I am only going to ask the boys.

Will the result of her survey give a fair result ?

Give a reason for your answer ​

Answer 1

Answer:

hiii

Step-by-step explanation:

Exponentail Decay. The amount of radioactive material present at time t is given by A = A0ekt, where A0 is the initial amount, k<0 is the rate of decay. Radioactive substances are more commonly described in terms of their half-life or the time required for half of the substance to decompose. Determine the half-life of substance X if after 600 years, a sample has decayed to 85% of its original mass?