Simplify (4i)^2

${(4 i)}^{2}$

Step 1

Apply the product rule to $4 i$ .

$4^{2} i^{2}$

Step 2

Raise $4$ to the power of $2$ .

$16 i^{2}$

Step 3

Rewrite $i^{2}$ as $- 1$ .

$16 \cdot - 1$

Step 4

Multiply $16$ by $- 1$ .

$- 16$

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