21. Which of the following equations shows the distributive property?

A. (3+2) + 5 = 5+(3+2)

B. ( 4 + 2) + 0 = 4 +2

C. 2 ( 3+ 6)= 6 + 12

D. (5+2) + 1= 5 = (2+1)


22.Which property does not show the identity property of multiplication?

A. 1 X 23= 23

B. 6 X 1 = 6

C. 1 X 3 = 3

D. 3 (1 +5)= 18


23. What property is used in the equation 10 ( x + 4) = 10 x + 40 ?

A. commutative

B. associative

C. distributive

D. inverse


24. What property is being applied in the given notation - 8+8 = 0?

A. commutative

B. associative

C. distributive

D. inverse


25. Which of the following property is applied in this notation 4 (3+1)= 12 +4?

A. commutative

B. associative

C. distributive

D. inverse


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