Question 103
State whether the statement is True or False.
a÷(−1)=−a
True a÷(−1)=a(−1)=−a [as division of a negative and positive integer is always negative]
Question 102
a÷(−b)=−(a÷b)
Question 100
a÷b=b÷a
Question 98
(a+b)×c=a×c+a×b
Question 78 State whether the statement is True or False. A tetrahedron has 3 triangular faces and 1 rectangular face.
Question 76 State whether the statement is True or False. A rectangular pyramid has 5 rectangular faces.