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bija089 [108]
2 years ago
6

Three billion, four hundred million years old. Write in standard form and expanded form.

Mathematics
1 answer:
Brums [2.3K]2 years ago
4 0
3,400,000,000 3,000,000,000+400,000,000
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2 years ago
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Julli [10]

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Step-by-step explanation:

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