Use scientific notation to determine the answer : (2.5 x 10^3) ( 6 x 10^6) =

A. 1.5 x 10^10
B. 15 x 10^10
C. 1.5 x 10^18
D. 15 x 10^18

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 *_*