Ex 6) Simplify. Write each answer using scientific notation. a. 2.5(6 X

Ex 6) Simplify. Write each answer using scientific
notation.
a. 2.5(6 X 103)
b. 0.4(2 X 10-9)
Ex 7) Simplify. Write each answer using scientific
notation.
a. (2.5 X 108)(6 X 103)
b. (9 X 10-6)(7 X 10-9)
1
Ex 8) Simplify. Write each answer using scientific
notation.
a. (7 X 104)2
b. (103)4(4.3 X 10-8)
Ex 9) Simplify. Write each answer using scientific
notation.
a. 8.4 X 10-5
2 X 10-8
b. 3.5 X 106
5 X 108
2