8. What is the quotient of +285 and -15?
A. +16 B. -16 C. +19 D. -19
9. What is the product of -90 and -30?
A. +30 B. -30 C. -2700 D. +2700
10. The product of a positive integer and a negative integer is always .
A. a positive number B. a negative number
C. either positive or negative D. zero
A. +16 B. -16 C. +19 D. -19
9. What is the product of -90 and -30?
A. +30 B. -30 C. -2700 D. +2700
10. The product of a positive integer and a negative integer is always .
A. a positive number B. a negative number
C. either positive or negative D. zero
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8. What is the quotient of +285 and -15?
9. What is the product of -90 and -30?
10. The product of a positive integer and a negative integer is always .
( + ) • ( - ) = ( - )