Question 71 MarkThere does not exist an integer $b$ such that for $a>1, a \times b=b \times a=b$.AnswertrueView full question & answer→
Question 81 MarkThe product of a negative and a positive integer may be zero.AnswerfalseView full question & answer→
Question 91 MarkFor all non-zero integers $a$ and $b, a \times b$ is always greater than either $a$ or $b$.AnswerfalseView full question & answer→
Question 101 MarkOf the two integers, if one is negative, then their product must be positive.AnswerfalseView full question & answer→
Question 111 MarkThe product of three negative integers is a negative integer.AnswertrueView full question & answer→
Question 121 MarkThe product of a positive and a negative integer is negative.AnswertrueView full question & answer→
Question 131 MarkThe sum of a negative integer and $a$ positive integer is always a positive integer.AnswerfalseView full question & answer→
Question 151 MarkThe sum of two negative integers is a negative integer.AnswertrueView full question & answer→
Question 171 MarkFor any two integers $a$ and $b$, their difference $a-b$ is an integer.AnswertrueView full question & answer→
Question 181 MarkThe sum of any two integers is always an integer.AnswertrueView full question & answer→