MULTIPLE CHOICE. Read the problems carefully. Choose and write the letter that corresponds to the best answer.
1. What is the value of xo?
A. X°= 0, for any real number x
B. Xº= 1, provided that x is not equal to zero
2. What is the value of x 1?
C. Xº=1, for any real number x
D. Xº=0, provided that x is not equal to one
A. X
B.-X
D. 1
US
3.
Simplify the expression () (%)?
A. I
B.a
D. 9
9
102
D. 32 - 22
D. 6aºbºc
1 1
mºn?
D. mini
C. q?
4. Which of the following expressions is equal to 1?
A. -13
B.
C. 10000000
52
5. Simplify: 32aºbºc8
A. 32ab°c
B. 9c8
C. 9abc8
6. Which of the following is the result of (m3 n2);?
2
A. mzin 14
B. min
C.
7. Which of the following results to x?
1 1
A. x3. X3x3
B. x x x x
C. xź - x
8. Simplify: (p&q2r )
p
B. piquors
C. pīqz2555
9. Which of the following is the result of mi mi ?
A. mi
7
1
1
1
1
D. x3 + x3 +
1
11
5 2 2
D. púqurss
3
3
23
B. m49
C. m14
D. min
7
10. Which of the following is the result of ?
-110
-210
21
10
21
A. X 100
B. X21
C. X10
D. 15​