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1. Which of the following tells how many times a given quantity is taken as a factor?

a. exponent

b. base

c. variable

d. numerical coefficient


2. If the expression (xyz2)0 is evaluated, what is its value?

a. 1

b. 0

c. -1

d. Undefined


3. What is the exponential form of the expression -3•3•3•3•x•x•y•y•y ?

a. –(3)4

b. x3y2

c. -3•33x2y3 d. 32x2y3


4. If a number is raised to zero, what is its value?

a. 1

b. 0

c. -1

d. Undefined

5. Which among the expressions is a Perfect Square?

a. 18

b. 25a2

c. 10

d. 25xy2


6. What is the value of n that will make the statement



4

= xo TRUE?

a. 8

b. 4

c. 1

d. 0


7. Which of the following statements is TRUE?

a. an = bn

b. ab = ba

c. a-b =

1





d. a-b = -ab


8. Which statement is TRUE about the square of any real number?

a. It is always positive

b. It is always negative.

c. It has two values – one positive and the other negative.

d. The sign depends on whether the exponent is odd or even.


9. In the expression − 1

2

2

, what is the base of the exponent 2?

a. − 1

2



b.

c. n

d. 2


10. Evaluate −52 ∙ 23 ∙ 30.

a. -200

b. -60

c. 0

d. 200



11. Which of the following shows 1 as a power of 10?

a. 100

b. 101

c. 102

d. 103


12. How is 43 related to 4-3?

a. 43 is the opposite of 4-3 .

c. 43 is the additive inverse of 4-3.

b. 43 is the reciprocal of 4-3.

d. 43 is the negative of 4-3.




Sagot :

Answer:

1. D

2. A

3. C

4. B

5. C

6. C

7. A

8. D

9. A

10. A

11. C

12. B

There you go ;)))