Problem
Approximate the following number using a calculator. \[ 7.9\left(\frac{2}{5}\right)^{2.3} \] $7.9\left(\frac{2}{5}\right)^{2.3} \approx \square($ Round to three decimal places as needed. $)$
Solution
Step 1 ：Given the expression \(7.9\left(\frac{2}{5}\right)^{2.3}\).
Step 2 ：Plug the expression into a calculator.
Step 3 ：The result is approximately 0.9602074502665209.
Step 4 ：Round the result to three decimal places to get 0.96.
Step 5 ：So, the approximate value of the given expression is \(\boxed{0.96}\).
