MTH 121—Final Review
Reviews are not comprehensive.
Homework, worksheets and exams should also be used as study
aides.
Part A:
True/False:
1.
Commutativity holds for division of whole numbers.
2. Division of the whole numbers has both the closure property and the commutative property.
3. Intermediate algorithms are easier to understand than standard algorithms.
4. Calculation using a rounded number is a good way to estimate an answer.
5. A number is divisible by 16 if it is divisible by 8 and 2.
6. The number 7 divides 5 x 21 x 14.
7. Every fraction is a whole number.
8. The set of fractions is not closed under addition.
9. Every repeating decimal can be represented as a fraction.
10. The expanded form of 3.079 is 3 + 7/10 + 9/100.
11. Every even number can be written as the sum of two odd numbers.
12. If two consecutive even numbers can be written as 2n, followed by 2n+2, the next consecutive
even number would be 2n+4.
13.
The number 1 is a prime number.
14.
The Fibonacci sequence is 1,
1,
2,
3,
5,
8,
…
15.
If
A
= {even whole numbers} and
B
={multiples of 3}. Then
{}
AB
16.
{1, 2, 3, 4} is equivalent to {a, b, c, d}
This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentPart B:
Multiple Choice:
17. Which of these are equal?
i) 17/50%
ii) 0.0034
iii) 0.34%
a.
(i) and (ii) only
b.
(i) and (iii) only
c.
(ii) and (iii) only
d.
(i), (ii), and (iii)
18. If the ratio a:b is 2, then which of the following is true?
a.
ab=2
a=1 and b=2
c.
b=2a
d.
a=2b
19. Which of the following numbers is the smallest?
a.
0.52361
0.52349
c.
0.52430
d.
0.524
20.
2
3
11
4 10
3 10 4
5
10
10
equals
a.
43.45
43.405
c.
430.045
d.
430.405
21. What property makes this computation easy?
This is the end of the preview.
Sign up
to
access the rest of the document.
 Spring '11
 Staff
 Algebra, Addition, Division, San Francisco, Prime number, Beth, $0.50

Click to edit the document details