AnswersFL-1200330-Algebra 2 CREvaluating Logarithmic Expressions

Evaluating Logarithmic Expressions Answers

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1
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log327 =

Answer:

3

2
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log121 =

Answer:

0

3

log5 1 25 =

Answer:

-2

4

log2128 =

Answer:

7

5

Select all that are equal to 3.

A
log28
B
log416
C
log327
D
log101,000
6

Evaluate: log1255

A
Option
Option A
B
Option
Option B
C
Option
Option C
7

Evaluate: log1664

A
Option
Option A
B
Option
Option B
C
Option
Option C
8

Oven cleaner: [H+] = 10−13 pH =

Answer:

13

9

Solve: log2(3x + 8) = 5Which is an equivalent equation?

A
25 = 3x + 8
B
52 = 3x + 8
C
25 = [log2(3x + 8)]2
D
52 = [log2(3x + 8)]5
10

x =

Answer:

8

11

Solve: logx64 = 3Which is an equivalent equation?

A
3x = 64
B
x3 = 64
C
64x = 3
D
x3 = 643
12

x =

Answer:

4

13

Water: [H+] = 0.0000007 pH =

Answer:

6.2

14

Blood: [H+] = 0.00000004 pH =

Answer:

7.4

15

Vinegar: [H+] = 0.0063 pH =

Answer:

2.2

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Evaluating Logarithmic Expressions