Use the Properties of Exponents to Simplify the Expression $y ^ { 5 / 9 } \left( y ^ { 2 / 9 } - 5 y ^ { 3 / 9 } \right)$

question 14

Multiple Choice

Use the properties of exponents to simplify the expression. Write with positive exponents.
- $y ^ { 5 / 9 } \left( y ^ { 2 / 9 } - 5 y ^ { 3 / 9 } \right)$

• A) \(y ^ { 7 / 9 } - 5 y ^ { 8 / 9 }\)
• B) \(\mathrm { y } ^ { 10 / 81 } - 5 \mathrm { y } ^ { 15 / 81 }\)
• C) \(y ^ { 5 / 2 } - 5 y ^ { 5 / 3 }\)
• D) \(y ^ { 3 / 9 } - 5 y ^ { 2 / 9 }\)

Identify and differentiate between independent, dependent, and control variables in experiments.

Understand various data collection techniques and their relevance in psychological research.

Grasp the experimental approach's role in establishing cause-effect relationships and manipulating variables.

Identify the function and importance of control groups in experimental designs.

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