Question

evaluate.
68 - 13(7 - 5)^2 + 2^3

Explanation:

Step1: Solve parentheses first

$7-5=2$

Step2: Calculate exponents

$(2)^2=4$, $2^3=8$

Step3: Perform multiplication

$13\times4=52$

Step4: Do subtraction and addition

$68-52+8=24$

Answer:

24