Q64. - Algebra 1

Question

Evaluate each expression. (Lesson 1-2)

$2.7^2$

Step-by-Step Solution

Answer

The solution is 7.29.

Step 1. State the formula.

For any real number $a$, $a^2=a\times a$.

Step 2. List the given objective.

To evaluate $2.7^2$.

Step 3. Evaluate the expression.

Put $a=2.7$ in $a^2=a\times a$ to get,

$\begin{array}{l}{2.7}^2=2.7\times 2.7\\ =7.29\end{array}$

So, ${2.7}^2=7.29$.