Question 21 MarkFor whole numbers a, b, c, we always have (a + b) .c = a.c + b.c.AnswertrueView full question & answer→
Question 31 MarkIn whole numbers, the multiplicative identity is 1.AnswertrueView full question & answer→
Question 41 MarkSubtraction is associative on natural numbers.AnswerfalseView full question & answer→