Which of the following shows the Commutative Property of Multiplication?
A. a x 1 = a
B. a x b = b x a
C. a x (b x c) = (a x b) x c
D. a x (-1) = -a
B. a x b = b x a
Multiply 11 x -9
A. -99
B. 2
C. 99
D. -2
A. -99
Multiply-5 x (-4)
A. 9
B. -9
C.20
D. -20
C. 20
Determine the sign of the product of -0.708 × -6.24
A. both positive and negative
B. positive
C. The product has no sign.
D. negative
B. positive
Determine the sign of the product of 17/32 x (-1/10)
A. both positive and negative
B. positive
C. negative
D. The product has no sign.