Change each unit to engineering notation using metric prefixes.560,000,000 Hz
A. 560 mHz
B. 560 MHz
C. 560 GHz
D. 5.6 kHz
Answer: B
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Determine whether the sequence is geometric.an = 7
A. Geometric B. Not geometric
Solve the problem.A painting 1 meter high and 3 meters from the floor will cut off an angle ? to an observer, where 
assuming that the observer is x feet from the wall where the painting is displayed and that the eyes of the observer are 1.6 meters above the ground (see the figure). Find the value of ? for 
Round to the nearest tenth of a degree. 
A. 13.3° B. 15.8° C. 33.1° D. 18.3°
Determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false.
?
If 
is increasing on 
, then 
for each 
in .
?
A. False. For example, 
increasing on any 
but 
B. True. This follows from the definition.
C. False. For example,
increasing on 
but
Solve.There are 2.2 milligrams of iron in a 3.5 ounce serving of lamb. How much iron is in 5 ounces of lamb? Round the answer to one decimal place.
A. 1.5 mg B. 3.1 mg C. 2.5 mg D. 4.1 mg