6-5*8+2^3

6-5*8+2^3

6 - 40 + 8

14-40

-26

6-5+2^3

6-40+8
(6-40)+8
-34+8
-26

To evaluate the expression 6 - 5 * 8 + 2^3, you need to follow the order of operations (PEMDAS/BODMAS). The order of operations states that you should perform operations in the following order: Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right).

Let's break it down step by step:

1. Start by looking for any operations inside parentheses, but there are none in this case.

2. Next, evaluate any exponents. The expression 2^3 means 2 raised to the power of 3, which equals 8.

3. Now, we can perform multiplication and division from left to right. Replace the multiplication part with its result: 6 - 40 + 8.

4. Finally, we can perform addition and subtraction from left to right. Start with subtraction: 6 - 40 equals -34. Then, add 8 to -34: -34 + 8 equals -26.

Therefore, the answer to the expression 6 - 5 * 8 + 2^3 is -26.