What is 11,900,000,000 written in scientific notation?

a.1.19×1010

b.11.9×1010

c.1.19×1011

d.11.9×1011

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i