Final answer:
Integers can be multiplied and divided using an operator. When multiplying two positive numbers, the answer is positive. When multiplying two negative numbers, the answer is positive. And when multiplying a positive and a negative number, the answer is negative.
Step-by-step explanation:
Multiplication and division of integers can be done using an operator. The correct answer is option c) operator. Integers are whole numbers that can be positive, negative, or zero. When multiplying two positive numbers, the answer is positive. When multiplying two negative numbers, the answer is positive. And when multiplying a positive and a negative number, the answer is negative. Similarly, when dividing two numbers, the same rules apply for the signs of the answer.