AnswersFL-1501300-Personal FitnessMuscular Strength and Endurance

Evaluating Logarithmic Expressions Answers

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What is the magnitude of an earthquake that is 5,011 times more intense than a standard earthquake? Round the answer to the nearest tenth. M =

Answer:

3.7

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What is the intensity of an earthquake with a magnitude of 3?

A
3 times a standard earthquake
B
100 times a standard earthquake
C
1,000 times a standard earthquake
D
3,000 times a standard earthquake
E
30,000 times a standard earthquake
43

Which did you include in your answer?

A
A magnitude 8 earthquake is 1,000 times more intense than a magnitude 5 earthquake.
B
A magnitude 8 earthquake is 108 times more intense than a standard earthquake, while a magnitude 5 earthquake is 105 times more intense than a standard earthquake, and 108 ÷ 105 = 103.
C
Each unit increase on the Richter scale corresponds to an intensity increase by a factor of 10. So from 5 to 8 on the Richter scale, the intensity increases by 103 = 1,000
44

Evaluate: log1664

A
Option
B
Option
C
Option
45

What is the range of the function?all real numbersy > 0y < 0

A
all real numbers
B
y > 0
C
y < 0
46

Which points lie on the graph of f(x) = log9x? Check all that apply.

A
Option
B
(0, 1)
C
Option
D
(3, 243)
E
(9, 1)
F
(81, 2)
47

x > –3x > –2x > 2x > 3

A
> –3
B
> –2
C
> 2
D
> 3
48

Solve: logx64 = 3Which is an equivalent equation?

A
3x = 64
B
x3 = 64
C
64x = 3
D
x3 = 643
49

The magnitude is M =

Answer:

2

50

Which logarithmic equation is equivalent to 25 = 32?

A
log232 = 5
B
log532 = 2
C
log325 = 2
D
log25 = 32

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