Use Properties of Rational Exponents to Simplify the Expression

question 55

Multiple Choice

Use properties of rational exponents to simplify the expression. Assume that any variables represent positive numbers.
-(r^1/9 s^1/9) ²

• A) r^1/18 s^1/18
• B) r²s²
• C) r^2/9 s^2/9
• D) r^1/81 s^1/81

---

Definitions:

Research Costs

Expenses related to the investigation and discovery of new knowledge that could be useful for the development of new products or services.

Units-Of-Production Method

A depreciation method that allocates an asset’s cost based on its usage, productivity, or units produced, rather than the passage of time.

Double Declining-Balance Method

A method of accelerated depreciation that doubles the straight-line depreciation rate, reducing the asset's book value more quickly in its early years.

Double Declining Balance

An accelerated method of depreciation which doubles the rate at which an asset is depreciated compared to the straight-line method.