Q1A. - Algebra 1

Question

Evaluate the expression $2^4$.

Step-by-Step Solution

Answer

The expression $2^4$ can be written as 16.

Step 1. Apply the formula for breaking integral powers.

For any real number ‘a’ with the integer power ‘n’ of the form $a^n$ can be expressed as:

$a^n=a\times a\times a\times \mathrm{..................}n\text{ times.}$

Step 2. Example of breaking integral powers.

The expression $3^4$ can be written as $3^4=3\times 3\times 3\times 3\text{\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}(4 times)}$ which is 81.

Step 3. DESCRIPTION OF STEP.

The given expression $2^4$ can be written as:

$\begin{array}{l}{2}^4=2\times 2\times 2\times 2\text{\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}(4 times)}\\ \Rightarrow 2^4=16\end{array}$