2.Write in scientific notation,(1 mega pascal ) 1MPa= 3. Add the two vectors, A= (2,3,4) B= (2,4,6) =
4. Subtraction of vector:- A= (2,3,4) B= (2,4,6)=
5. scalar product / dot product :A= (2,3,4) B= (2,4,6) =
6. Cross product: A= (2,3,4) B= (2,4,6)
7. What is the angle between the vectors (A = -2x + 3ŷ + ) and (B = în + 2ỹ + 32)?

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.