Question

Verify the following using properties of whole number and then write the name of the property used
a) 85 x (12 x 7)= (85 x 12) x 7
b) 38 + (45 + 50) = (38 +45) + 50
(c) 75 x 55 = 55 x 75

Answer 1

• associative : a(b×c)= (a×b)c
• commutative : a×b = b×a

Answer 2

Solution is in the attachment