1. Express 775% as a decimal.
A) 775 B) 77,500 C) 77.5 D) 7.75
2. Evaluate. | –7 | + | 13 |
A) 20 B) –20 C) 6 D) –6
3. Evaluate. 81 ÷ 9 – 16 ÷ 8
A) 7 B) 9 C) 6 D) 8
4. Express 9.41 as a percent.
A) 94.1% B) 941.0% C) 0.0941% D) 9.41%
5. Find the GCF for 14 and 21.
A) 7 B) 1 C) 42 D) 6
6. Subtract. 12.537 – 9.21
A) 3.327 B) 3.516 C) 1.1616 D) 11.616
7. Which number is prime?
A) 12 B) 31 C) 99 D) 1
8. Add. 3.2174 + 5.78
A) 9.2252 B) 8.9974 C) 8.2954 D) 8.2252
9. Add. 8.84 + 7.3019
A) 15.3859 B) 8.1859 C) 15.1419 D) 16.1419
10. Find the LCM for 6, 28, and 48.
A) 336 B) 8,064 C) 42 D) 2
11. Evaluate. – | –2 |
A) 2 B) –2
12. For the following set, which number has the largest absolute value?
4, –1, 12, –20, 19, 0
A) –1 B) 0 C) 19 D) –20
13. Find the prime factorization of 93.
14. Simplify: –(–(–7)).
15. Simplify: –(–8).
16. Subtract. 2.205 – 1.177
17. List all the factors of 16.