1. Express -0.000 003 5 in scientific notation.

        A.     B.     C.     D.     E.

2.

        A.         B.         C.         D.         E.

3.

        A.         B.         C.         D.         E.

4. If , find the value(s) of x.

        A.         B.         C.         D.         E.

5.

        A.         B.         C.         D.         E. x - y

6.

        A. 6         B. 7         C.         D.         E.

7. If , find the value of x.

        A.         B.         C.         D.         E. 1

8. If , find the value of n.

        A.         B. 0         C. 1         D. 2         E. 3

9. If a, m and n are non-zero constants, which of the following is/are true?

        (I)         (II)         (III)

        A. (I) only      B. (II) only     C. (I) and (II)         D. (I) and (III)       E. None of the above

10. If a, b and m are non-zero constants, which of the following is/are true?

        (I)         (II)         (III)

        A. (I) only     B. (II) only      C. (III) only     D. (I) and (III)    E. (II) and (III)