The half-life of a radioactive kind of
cesium is 30 years. How much will be
left after 60 years, if you start with
1,800 grams of it?

Where is the qeustion

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*