target="_blank" rel="nofollow" href="#fb3_img_img_ccb0566d-eebe-55d3-9f91-5fa854a4bc48.png" alt="Example"/>Q. Solve the following four multiplication problems:
A. As you can see from this example, the numerical part of the answer (30) doesn’t change. Only the sign of the answer changes, depending on the signs of the two numbers in the problem.
Q. Solve the following four division problems:
A. The numerical part of the answer (6) doesn’t change. Only the sign of the answer changes, depending on the signs of the two numbers in the problem.
Q. What is
A. −1,764. First, drop the signs and multiply:
The numbers −84 and 21 have different signs, so the answer is negative:
Q. What is
A. 29. Drop the signs and divide:
The numbers
9
(a)
(b)
(c)
(d)
10 Solve the following division problems:
(a)
(b)
(c)
(d)
11
12
13
14
Practice Questions Answers and Explanations
1
(a)
(b)
(c)
(d)
2
(a)
(b)
(c)
(d)
3
(a)
(b)
