If the Density of the Nucleus of Gold Is Approximately

question 20

Multiple Choice

If the density of the nucleus of gold is approximately 1×10¹⁵ g cm^-3 and solid gold has a density of 19.3 g cm^-3 estimate the percentage of the volume of solid gold that is "occupied" by the nucleus?

• A) 2×10^-12 %
• B) 2×10^-8 %
• C) 2×10^-4 %
• D) 2×10^-2 %
• E) 2%

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Definitions:

Stock Repurchase

A transaction in which a company buys back its own shares from the market, often to increase the value of remaining shares by reducing the supply.

Excess Cash

Funds that exceed the normal operating needs of a company, potentially available for investment or distribution to shareholders.

Net Income

The total profit of a company after all expenses and taxes have been subtracted from its total revenue.

Stock Dividend

A payment to shareholders in the form of additional shares instead of cash.