Derived Units Ck-12

What is the volume in millilitre (mL) of a 250 cm3 beaker?

• 25 mL

• 250 mL

• 2.5 mL

• 2,500 mL

Convert:

129 cm³ to L

• 0.0129

• 1290

• 0.129

• 12.9

A sphere has a radius of 2.1 cm. What is the volume of Sphere in cm³ (use 3.14 for π)? Round to the nearest whole number.

• 39

• 38.79

• 38

• 40

A water tank can hold 0.50 m³ of water. When it’s half full, how many liters are needed to refill it?

• 750

• 500

• 1000

• 250

The volume of a beaker is 250 cm³. Three beakers can hold ___ mL water.

• 7.5

• 75

• 25

• 750

A(n) _______ unit is a unit that results from a mathematical combination of SI base units.

• Combined

• Derived

• Fat

• Melded

Which conversion factor is correct for converting square meters to square kilometers?

•  $\left(\frac{1\ km}{1000\ m}\right)^2$  

•  $\left(\frac{1\ km}{1000\ m}\right)$  

•  $\left(\frac{1000\ m}{1\ km}\right)^2$  

•  $\left(\frac{1000\ m}{1\ km}\right)$  

How many square centimeters are in one square meter?

• 1,000

• 100

• 10,000

• 10

How many cubic millimeters are in one cubic kilometer?

• 10²⁷

• 10¹⁹

• 10¹⁵

• 10¹⁸

Convert
 $4.9\times10^5\mu m^3\$ to cubic millimeters.

•  $4.9\times10^5mm^3$  

•  $4.9\times10^{-4}mm^3$  

•  $4.9\times10^{-2}mm^3$  

•  $4.9\times10^3mm^3$