Write the Expression with Only Positive Exponents and Evaluate If $\left( \frac { 5 } { 2 } y \right) ( 2 )$

question 50

Multiple Choice

Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real
numbers.
- $\left( \frac { 5 } { 2 } y \right) ( 2 )$

• A) 7y
• B) -5y
• C) 10y
• D) 5y

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Definitions:

Buttermilk

Originally the liquid leftover from churning butter, now often commercially made by adding bacteria to skim milk.

Chemical Difference

The variation in composition and properties between substances due to differences in their molecular or atomic structure.

Buttermilk

Traditionally, the liquid left after churning butter from cream; now often commercially produced by adding lactic acid bacteria to milk.

Baking Soda

A white crystalline compound (sodium bicarbonate) used in baking as a leavening agent due to its ability to release carbon dioxide when heated or mixed with acidic substances.