ECET 299 Exam Complete Solutions

MC
(TCO Week 13, Final
Attempt 3(Current
5) Exam)

Conver
t 0.65
s to
ps.(7
points)

6.5 ps


650 ps

5
6.5 x 10 ps

6
6.5 x 10 ps

Instructor Explanation: Washington, pages 16–35


(TCO 5) Determine the value for (6.5 x 103)(5.3 x 10-8) in engineering
MC Week 13,
Final
notation. (7 points) Attempt
3(Current
Exam)


-3
0.3445 x 10


3.445 x 10-4

-5
34.45 x 10

11
3.445 x 10

Instructor Explanation: Washington, pages 16–35


MC Week 13,
(TCO 5) Simplify .(7 points) Final
Attempt
3(Current
Exam)

,Instructor Explanation: Washington, pages 16–35


MC
(TCO 5) Simplify -3 < x < 9. (7 points)
Week 13,
Final
Attempt
3(Current
Exam)




Instructor Explanation: Washington, pages 16–35


MC
(TCO 5) Simplify . (7 points) Week 13,
Final
Attempt
3(Current
Exam)




xy




Instructor Explanation: Washington, pages 16–35


MC Week 13,
(TCO 5) Solve for x given -10x – 5 + 4x = -4x + 3.(7 points) Final

, Attempt
3(Current
Exam)



-4


4/9


4


9/4

Instructor Explanation: Washington, pages 16–35


MC
(TCO 5) Solve for x and y Week 13,
Final
given: Attempt
3(Current
2x – y = 5 Exam)
5x + 2y = 8 (7 points)

x = 1, y = -2


x = -1, y = 2


x = 2, y = -1


x = -1, y = 2

Instructor Explanation: Washington, pages 16–35


MC
(TCO 5) If someone bowls 152 and 174 in their first two games, what must they Week 13,
Final
bowl in the third game to have an average of 160 for all three games?(7 points) Attempt
3(Current
Exam)



144


154


164


174

Instructor Explanation: Washington, pages 16–35


MC Week 13,
(TCO 5) Find a number such that three-fourths of the number is larger by 4 Final
than two-thirds of that number.(7 points) Attempt
3(Current