Question

7X+17+x-9.
5(3x+4)-11x-13.
2(x+9)+4(x-3)

Answer 1

Respuesta:

. (a) 56 (b) base, exponente 2. (a) sume, 39 (b) reste, 33

3. (a) 51/3 (b) (c) No 4.

5. 6. 7. 5 1/2 9. 11. 53/5

13. 15. (a) 9 (b) 9 (c) 17. (a) (b)

(c) 16 19. (a) 4 (b) 2 (c) 21. (a) (b) 4 (c)

23. (a) (b) 4 (c) 4 25. 5 27. 14 29.

31. 33. 35. (a)  10 (b) 127 (c)

37. (a) 3 (b) (c) 6 39. (a) 18 (b) (c)

41. (a) 87

5 (b) 45

z

43. (a) 4051023 (b) 5001219

45. (a) (b) 47. (a) (b)

49. (a) (b) 51. (a) (b) 53.

55. 2 2 57. 59. 61. (a)  2 (b) 2

63. (a) „5/3 (b) 4

9/2 65. (a) 44

(b) 89

12

67. (a) 44 (b) 4 69. (a) (b) 71. (a) 3/2

(b) 107/12 73. (a) 211/6 (b)  75. (a) 1/2 (b)

77. (a) 6.93 107 (b) 7.2 1012 (c) 2.8536 10 5

(d) 1.213 10 4 79. (a) 319,000 (b) 272,100,000

(c) 0.00000002670 (d) 0.000000009999 81. (a) 5.9 1012 mi

(b) 4 10 13 cm (c) 3.3 1019 moléculas

83. 1.3 10 20 85. 1.429 1019 87. 7.4 10 14

89. (a) (b) (c)

91. (a) (b) (c)

93. (a) Negativo (b) Positivo (c) Negativo (d) Negativo

(e) Positivo (f) Negativo 95. 2.5 1013 mi 97. 1.3 1021 L

99. 4.03 1027 moléculas 101. (a) 28 mi/h (b) 167 pies

SECCIÓN 1.3 PÁGINA 32

1.

2.

.3 .4 2  2

; 25  2 2 2   2

; 4 2 12 9

10, 7; 2, 5; 1 22 1 52

3; 2 5

, 6 4

, 4 3

; 2 3

, 2 3

1 2 3 22

3/5

1

4

2 23 x2

x

13

3

12

110

10

4

√2

88

2

1

21 2 0  0 6

0  0 3

7

 4

3

3

125

6

3

48

9

√10

11

19

9

2

z

9

2

32

z

1

24z

4

6

64

1

4

1

4 1 2 31 42 1 5 3

712 3

2

1

2

2

3

1

2

1

8

1

2

1 2 9

5

Explicación paso a paso: