Find the Indicated Matrix $\mathrm { A } = \left[ \begin{array} { r r } - 3 & 5 \\ 0 & 2 \end{array} \right]$

question 412

Multiple Choice

Find the indicated matrix.
-Let $\mathrm { A } = \left[ \begin{array} { r r } - 3 & 5 \\ 0 & 2 \end{array} \right]$ . Find $5 \mathrm {~A}$ .

• A)
• \[\left[ \begin{array} { r r }
• - 15 & 5 \\
• 0 & 2
• \end{array} \right]\]
• B)
• \[\left[ \begin{array} { r r }
• - 15 & 25 \\
• 0 & 10
• \end{array} \right]\]
• C)
• \(\left[ \begin{array} { r r } 2 & 10 \\ 5 & 7 \end{array} \right]\)
• D)
• \[\left[ \begin{array} { r r }
• - 15 & 25 \\
• 0 & 2
• \end{array} \right]\]

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Definitions:

Neutrons

Subatomic particles found in the nucleus of an atom, with no electrical charge and a mass slightly larger than that of protons.

Isotope

Variants of a particular chemical element which differ in neutron number, and consequently in nucleon number, but share the same number of protons.

Electrons

Negatively charged particles within atoms, essential for conducting electricity in solid materials.

Iron

A metal element with the symbol Fe, known for its magnetic properties and widely used in construction, manufacturing, and biochemistry.