Question

15 what is the value of $9^2 - 3^2 + 4^3$? a 88 b 136 c 154 d 73

Explanation:

Step1: Calculate the squares and cube

First, calculate \(9^2 = 81\), \(3^2 = 9\), and \(4^3 = 64\).

Step2: Perform the arithmetic operations

Now, substitute these values into the expression \(9^2 - 3^2 + 4^3\):
\[

$$\begin{align*} &81 - 9 + 64\\ =&72 + 64\\ =&136 \end{align*}$$

\]

Answer:

B. 136