Solve Express the Result in Scientific Notation $6.43 \times 10 ^ { - 7 }$

question 70

Multiple Choice

Solve. Express the result in scientific notation. Round to the nearest hundredth, if necessary.
-If the density of a substance is $6.43 \times 10 ^ { - 7 }$ tons per cubic foot, what would be the mass of $6.13 \times 10 ^ { - 7 }$ cubic feet of this substance. (Use the formula D $\left. D = \frac { M } { V } . \right)$

• A) \(3.94 \times 10 ^ { - 14 } \text { tons }\)
• B) \(3.94 \times 10 ^ { - 12 } \text { tons }\)
• C) \(3.94 \times 10 ^ { - 13 } \text { tons }\)
• D) \(0.39 \times 10 ^ { - 13 } \text { tons }\)

Assess the financial value of active management over passive index fund management.

Determine the optimal proportion to invest in an active portfolio using the Treynor-Black model.

Understand the timing and triggers for impairment testing of tangible assets.

Identify and rectify incorrect statements regarding the reversal of impairment losses.

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Definitions:

Contribution Margin

The amount by which a product's sales price exceeds its total variable costs, indicating how much contribution the product makes towards fixed costs and profits.

Variable Cost

Costs that vary directly with the level of output or production activity, such as raw materials or hourly labor.

Cash Break-even

The point at which a company does not make a profit or loss from operations, calculated by covering all cash operating expenses with the revenue generated.

Net Present Value

A calculation used to determine the value of a project or investment by discounting future cash flows to the present.