The answer is 9,000 or 9 thousand.
<h3>Further explanation</h3>
9 ten thousand are a unit form. The standard form is 90,000.
Explanations and an example of questions about the four types of number forms can be found at brainly.com/question/4725342.
The key problem is working out the value of 90,000 divide by 10. This is a division operation.

<u>Option-1</u>
Both numbers are divided by 10.

The result is 
<u>Option-2</u>
Division operations can be written as fractions, like this.

The numerator and denominator are both divided by 10, or 'cross out a zero from both'.

The result is 
- - - - - - -
If x is divided by y equals z, then x is equal to y multiplied by z.

Let's prove it!
This is proven.
<h3>Learn more</h3>
- Explanations and an example of a question about the four types of number brainly.com/question/4725342
- 5000 is ¹/₁₀ of what? brainly.com/question/106300
- What represents the simplified form of an expression: 5(14 - 2)² ÷ 2 brainly.com/question/1602237
Keywords: 9 ten thousand divided by ten, division operation, unit form, standard form, fractions, cross out a zero, the numerator and denominator