Additive identity is

The product of two negative integers is

__________ is neither positive nor negative.

(-3) ×_________ = 27

(-57) × (-29) + 50 = ____________.

The negative of a negative integer is

( - 70 ) x ( -35 ) x 0 x ( - 63 ) = 

(-1) × (-1) × (-1) =

0 x 2341 =

7 x 1 = 1 x 7 = 7.  State the property used here.