Joker J asked:


Evaluate (m+n)^-3 if m=-1 and n=-5 .
A. 216
B. 18
C. 1/-126
D. 1/-226

The table shows the melting point in degrees Kelvin (K) for four different elements. Rank the elements in order showing the lowest melting point to the highest.

Melting Points
Element Melting Point (K)
Gold `1.33758×10^3
Silver 1.2351×10^3
Iron 1.808×10^3
Aluminum 9.335×10^2

A. Aluminum, Silver, Gold, Iron
B. Silver, Gold, Iron, Aluminum
C. Iron, Gold, Silver, Aluminum
D. Gold, Silver, Aluminum, Iron

The table shows the height in feet of five of the world’s tallest buildings. Rank them in order from tallest to shortest.

Height of Buildings
Building Height (ft)
Sears Tower 1.45×10^3
Jin Mao Building 1.381×10^3
Eiffel Tower 9.84×10^2
Empire State Building 1.25×10^3
Petronas Towers 1.483×10^3

A. Eiffel Tower, Petronas Towers, Sears Tower, Jin Mao Building, Empire State Building
B. Eiffel Tower, Empire State Building, Jin Mao Building, Sears Tower, Petronas Towers
C. Empire State Building, Jin Mao Building, Sears Tower, Petronas Towers, Eiffel Tower
D. Petronas Towers, Sears Tower, Jin Mao Building, Empire State Building, Eiffel Tower

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