Write the Number as the Product of a Real Number $\sqrt { - 49 }$

question 129

Multiple Choice

Write the number as the product of a real number and i.
- $\sqrt { - 49 }$

• A) \(- \mathrm { i } \sqrt { 49 }\)
• B) \(- 7 \mathrm { i }\)
• C) \(7 \mathrm { i }\)
• D) \(7 \sqrt { \mathrm { i } }\)

Understand the distinctions between dependent and independent variables in experimental research.

Understand the concept of random selection and its importance in research.

Identify and explain different types of correlations between variables.

Recognize the importance of blinding participants in an experiment to prevent bias.

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Definitions:

Hyperconjugation

A stabilizing interaction that involves the delocalization of electrons by the overlap of σ orbitals with an adjacent π orbital or a vacant p orbital.

Carbenes

Reactive molecules featuring a divalent carbon atom with only six electrons in its valence shell, making them highly reactive.

Dimerize

To undergo a chemical reaction connecting two identical molecules to form a dimer.

Alkane

Saturated hydrocarbons consisting entirely of single-bonded carbon and hydrogen atoms, with a general formula of CnH2n+2.