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Explain how 8 ten thousand can be equal to 80,000.

10,000 = ten thousand

Multiply it by 8 or add 10,000 eight times.

Complete to show how you can find the sum by making a ten, hundred or thousand.

9.8 +5=

(8 +2) + ______

800,000

Explain how 8ten thousands can be equal to 80thousands

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