The answer is 9 thousand in unit form or 9,000 in standard form.
Further explanation
Explanations and an example of questions about the four types of number forms can be found at .
The key problem is working out the value of 90,000 divide by 10. This is a division operation.
9 ten thousand are a unit form. The standard form is 90,000.
Option-1
Both numbers are divided by 10.
The result is 
Option-2
Division operations can be written as fractions, like this.
The numerator and denominator are both divided by 10, in other words 'cross out a zero from both'.
The result is
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If x is divided by y equals z, then x is equal to y multiplied by z.
Let's prove it!
This is proven.
Learn moreExplanations and an example of a question about the four types of number form 5000 is ¹/₁₀ of what? What represents the simplified form of an expression: 5(14 - 2)² ÷ 2
Keywords: 9 ten thousand divided by ten, 90,000, division operation, unit form, standard form, fractions, cross out a zero, the numerator and denominator
