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The expression you've shared is:

\[
- 8^2
\]

According to the order of operations (PEMDAS/BODMAS), exponents are calculated before applying the negative sign. So we first calculate \( 8^2 \), which is:

\[
8^2 = 64
\]

Now, apply the negative sign:

\[
- 64
\]

Thus, the result is:

\[
- 8^2 = -64
\]

Would you like more details or have any further questions?

Here are 5 related questions for practice:
1. What is \( -5^2 \)?
2. How would you simplify \( (-8)^2 \)?
3. What is the result of \( -9^2 \)?
4. What does \( (-5)^3 \) equal?
5. How does \( 8^3 \) compare to \( 8^2 \)?

**Tip**: Always apply exponents before the negative sign unless the negative sign is inside parentheses!

Learn how to solve the expression -8^2 following the order of operations (PEMDAS). This step-by-step guide explains how to calculate exponents before applying the negative sign, suitable for students in Grades 7-9.

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