To rewrite the given polynomial in standard form, you need to arrange the terms in descending order of the powers of $x$.

Given polynomial:
$8x^3 - x^2 - 9x^5 + 10$

Rewriting in standard form:
$-9x^5 + 8x^3 - x^2 + 10$

The terms are now ordered by decreasing powers of $x$.

Would you like more details or have any questions?

Here are 5 related questions:

1. How do you find the degree of a polynomial?
2. What are the leading coefficient and constant term of a polynomial?
3. How do you factor a polynomial?
4. What is the difference between monomials, binomials, and trinomials?
5. How do you solve a polynomial equation?

Tip: When rewriting polynomials, always ensure that terms are ordered from the highest to the lowest exponent of the variable.