Is “4 greater than x” 4 > x or 4 + x

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

What is the value of the product (3-2i)(3+2i)?