alt="math"/>, you have 31 Use 4. The expression
An added bonus here is that the constant also becomes an integer.
32 6.
33 6.
34 639,200.
35 147. The 9, which will be dropped with the 5 following it, is greater than 5. Round the 6 in the ones place to a 7.
36 146. The greatest integer smaller than 146.95 is 146.
If you’re ready to test your skills a bit more, take the following chapter quiz that incorporates all the chapter topics.
Whaddya Know? Chapter 3 Quiz
Quiz time! Complete each problem to test your knowledge on the various topics covered in this chapter. You can then find the solutions and explanations in the next section.
1
2 Which is larger: 5.932 rounded to the nearest integer or
3
4 Distribute:
5
6 What should you add to the expression
7
8 Distribute:
9 Apply the greatest integer function:
10
11
12 Round to the nearest integer:
13
14 What should you multiply the expression
Answers to Chapter 3 Quiz
1 –11. Work on the braces first. Do the subtraction in the parentheses and add the result to 3. Multiply that sum by 3 and subtract the product from 6. In the last parentheses, find the difference. Then add the result from the braces to this last number.
2 5.932. 5.932 rounds up to 6, and
3 6,642.
4
5 2. Use the commutative property to reverse the order of the middle two factors.
You will find more on operations involving fractions in Chapter 4.
6 5. The additive inverse of –5 is 5.
7 840.
8
9 6. The largest integer that is not bigger than
10
