Answer with Step-by-step explanation:
We are given that an expression

Binomial expansion o f
is given by
=
a. We have to find the coefficient of 

Term is 
Coefficient =
b.Term in which
is 
Coefficient =
c.We have to find the coefficient of 
Term is 
Coefficient =
Answer:
it would be c
Step-by-step explanation:
you are going to dived all the sides
Answer: 36π
Step-by-step explanation:
The half life of a decaying substance is defined as the time at which the substance decreases to one-half of its original value. In this case, given hlf-life of 10 years and an original mass of 50 grams, after 10 years, the isotope mass becomes 50*0.5 or 25 grams. Answer is B.