| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.06 |
| Score | 0% | 61% |
In the metric system, what prefix represents 103?
centi |
|
mega |
|
kilo |
|
milli |
Kilo is the metric system prefix for 103.
Convert 0C° to F°.
-32 |
|
32 |
|
16 |
|
0 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(0) + 32\)
\(F° = 0 + 32 = 32\)
Which of the following is not a medium for sound waves?
liquid |
|
solid |
|
vacuum |
|
none of these is a medium for sound waves |
A vibrating object produces a sound wave that travels outwardly from the object through a medium (any liquid or solid matter). The vibration disturbs the particles in the surrounding medium, those particles disturb the particules next to them, and so on, as the sound propagates away from the vibration.
In the metric system, what prefix represents 10-3?
mega |
|
milli |
|
centi |
|
kilo |
In the metric system, milli is the prefix for 10-3.
Antigens are found on the outside of which blood cells?
plasma |
|
platelets |
|
red |
|
white |
Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.