Luttrell 2012
157
Answer Key, chapters 3-4
Sheet 3k:
1. SA=880, V = 1600
3. SA≈ 628, V ≈ 1,177.5
Sheet 3L:
1. 60
3. 3840
5. 4 times, 64 times
7. 32π
9. double, 8 times
11. K → K
3
Sheet 3m:
1. 200
3. 6.93
5. 810
7. 267.9
9. 198.4
Sheet 3n:
1. 25
3. 10
5. 80
7. 300
9. 4187
11. 1000
13. 54
15. 60
Sheet 3o:
1. 12
3. 2
5. 100.5
Sheet 3p:
1. 235.5
3. 60
5. 1130
Chapter 3 Test: 1. A. 6.001, 6.01, 6.1, 6.11
B. -3.3, -3.22, -3.2
3. A. 11.3
B. 18
3. C. 12.307
7. 11.1
8. 44.33
10. V = 500π cm
2
, SA = 250π cm
Sheet 4a:
1. -5/8
2. A(b+c) = Ab+Ac
3. 3
4. 1/x
5. 5+(-5) = 0
Sheet 4b:
1. 3×3 = 9
3. 5×5×5 = 125
5. 4×4 = 16
7. 8×8 = 64
9. 1000
11. 0
13. 81
15. -243
19. 1∕27
21. 1∕27
23. 1∕216
Sheet 4c:
1. 441
3. 0
5. -15
7. 5x – 5x
2
9. 3x + 3
Sheet 4d:
3. -2
5. ½
7. -180
9. -2
11. -2
Sheet 4e:
1. 1
3. -6
5. 1
7. 23
9. 1 4/7
Sheet 4f:
1. Seventy-five
3. Four hundred
5. Ten thousands
7. Hundreds
9. 3(100,000) + 4(10,000) + 5(1,000) + 6(100) + 4(10) + 5(1)
13. 4,083,700
Sheet 4g:
1. 10
4
3. 10
7
5. 49,506
7. 7,860,000
9. 87,401
11. 4(10
2
) + 3(10
0
)
13. 5(10
7
) + 5(10
5
)
Sheet 4h:
2. 5(10
4
) + 3(10
3
) + 1(10
2
)
5. 3(10
1
) + 2(10
0
)
9. 7,426
11. 8,121,530
10. 23
11. 5
12. 53
13. 64,206
Sheet 4i:
3. 1(10
3
)
5. 4(10
16
)
11. 1(10
1
) + 2(10
0
) + 5(10
-3
)
15. 8,450,001
Sheet 4j:
1. 1.23×10
-4
3. 3.45×10
-8
5. 7.6×10
10
7. 2.3×10
13
9. 4.56×10
14
11. 23,400
13. 67,000,000
15. 0.000 034
17. 0.000 003 25
Sheet 4k:
1. 4%
3. 45%
5. 100%
7. 0.23
9. 0.003
11. $3.20
13. $4.80
15. $4.20
17. $6.30
19. $88
21. $14.25; 33.3%
23. $68.80; $72.93; $91.16
Sheet 4L:
1. 500; 5000; 0.005
3. 0.045; 0.000045
5. 3; 300
1. 1440
3. 0.081
5. 1
7. 0.000145
9. 96.75
11. 0.0004005
13. 480
