a. Fill in the missing values in 7-16 Approximate, without using Excel, the decibel value for a ratio of

b. 8:1. Fill in the missing values in 7-16 Approximate, without using Excel, the decibel value for a ratio of

12b.) An 8/1 increase in power corresponds to approximately ______ decibels.

a. 3

b. 6

c. 20

d. None of the above

c. 9:1.

12c.) A change in power from 2 mW to 17 mW corresponds to approximately ______ decibels.

a. 3

b. 9

c. 12

d. 20

d. 110:1.

12d.) A change in power from 2 mW to 205 mW corresponds to approximately ______ decibels.

a. 3

b. 9

c. 10

d. 20

e. 1:7.

12e.) A change in power from 100 W to 1 W corresponds to approximately ______ decibels.

a. 10

b. 20

c. −10

d. −20

f. 1:90. Use terms like “a little higher than” or “a little lower than.”