Evaluate 4pi*4^2

$4 π \cdot 4^{2}$

Step 1

Multiply $4$ by $4^{2}$ by adding the exponents.

Move $4^{2}$ .

$4^{2} \cdot 4 π$

Multiply $4^{2}$ by $4$ .

Raise $4$ to the power of $1$ .

$4^{2} \cdot 4^{1} π$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$4^{2 + 1} π$

Add $2$ and $1$ .

$4^{3} π$

Step 2

Raise $4$ to the power of $3$ .

$64 π$

Step 3

The result can be shown in multiple forms.

Exact Form:

$64 π$

Decimal Form:

$201.06192982 \dots$