1. The absolute value of the opposite of 7 is _____.
2. True or False: The sums 16 + [(–8) + 11] and [16 + (–8)] + 11 are the same.
3. True or False: [7 • (–1)] • 11 = 7 • [(–1) • 11] by the associative property
4. True or False: The sums 3 + (–17) and (–17) + 3 are the same.
5. True or False: 3 • (–1) • 8 = (–1) • 3 • 8 by the associative property
6. The opposite of 10 is _____.
7. Use the distributive property to remove parentheses and simplify the expression.
–6•(–13 – 3 – 8)
A) 144
B) 67
C) –30
D) –144
E) None of the above
8. Write the expression, using exponential form.
(–5) • (–5) • (–5) • (–5) • (–5)
9. Evaluate the following expression.
3[(–2) • 32 + 23 ] ÷ 5
10. True or False: The sums [5 + (–3)] + 8 and 5 + [(–3) + 8] are opposites.
11. Write the expression, using exponential form.
8 • 8 • 8 • 8 • 8
12. Add.
–8 + (–3)
A) –5
B) –11
C) 5
D) 11
E) None of the above
13. Use the distributive property to remove parentheses and simplify the expression.
–12•(–5 + 8)
A) 36
B) –9
C) 68
D) –36
E) None of the above
14. Evaluate the following expression.
6[(–4) • 62 + 43 ] ÷ 5
15. Write the expression, using exponential form.
4 – 33
16. True or False: The sums (–11) + [4 + (–5)] and [(–11) + 4] + (–5) are the same.