Simplify 4*4^-1

$4 \cdot 4^{- 1}$

Multiply $4$ by $4^{- 1}$ by adding the exponents.

Multiply $4$ by $4^{- 1}$ .

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

$4^{1} \cdot 4^{- 1}$

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

$4^{1 - 1}$

Subtract $1$ from $1$ .

$4^{0}$

Simplify $4^{0}$ .

$1$