1. Add. 3.2174 + 5.78
A) 9.2252 B) 8.9974 C) 8.2954 D) 8.2252
3. Evaluate. | –5 | – | 3 |
A) 2 B) 8 C) –2 D) –8
7. Find the GCF for 13 and 45.
A) 13 B) 45 C) 585 D) 1
8. Subtract. 3.70 – 1.94
A) 1.23 B) 1.13 C) 1.76 D) 1.86
9. For the following set, which number has the largest absolute value?
4, –1, 12, –20, 19, 0
A) –20 B) 0 C) –1 D) 19
10. Multiply. 5.34 • 3.17
A) 15.6478 B) 15.9378 C) 16.9278 D) 16.6478
13. Which number is prime?
A) 31 B) 1 C) 99 D) 12
14. Express 8.47 as a percent.
A) 84.7% B) 847.0% C) 0.0847% D) 8.47%
15. Express 920% as a decimal.
A) 920 B) 92 C) 9.2 D) 92,000
16. List all the factors of 16.
17. Represent the following integers on a number line.
4, –2, –5, 6, –4
18. Find the GCF for 25, 35, and 45.
19. Simplify: –(–(–1)).
21. Evaluate. 4 • 22 – 8 • 2
22. Find the GCF of 6, 18, and 30.
23. Place the following set of numbers in ascending order.
4, –10, 0, 9, –6, –1, 1
24. Write 5 • 5 • 5 • 5 • 5 • 5 in exponential form.
25. Find the prime factorization of 93.