11. Which is the numerical coefficient in the expression 16?


A. x

B. y

C. 16

D. xy

12. Which is the coefficient of 3

−43 ?


A. −4

B. z

C. 3

D. −4

13. Which is the exponent in the expression 32?


A. 3

B. 2

C. x

D. 2 and 3

14. Which is the mathematical symbol for the phrase “five less than thrice a number”?


A. 5 − 3

B. 3 − 5

C. 5 > 3

D. 3 < 5

__ 15. Evaluate 43.


A. 16

B. 32

C. 64

D. 81
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