Answer:
[tex] 7.0643\times 10^8 grams[/tex] of silver would be required.
Explanation:
Dimensions of silver mas :
Length = l = 120.0 ft
breadth = b = 60.0 ft
Height = h = 0.33 ft
Volume of silver mass ,V= l × b × h
[tex]V=120.0 ft\times 60.0ft\times 0.33 ft=2,376 ft^3=67,278,816 cm^3[/tex]
[tex]1ft^3=28316.8 cm^3[/tex]
Density of silver,d = [tex]10.5 g/cm^3[/tex]
[tex]Mass = Density\times Volume[/tex]
[tex]m=10.5 g/cm^3\times 67,278,816 cm^3=7.0643\times 10^8 g[/tex]
[tex] 7.0643\times 10^8 grams[/tex] of silver would be required.