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It is 4 + 2*10-1 + 9*10-3.

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Wiki User

6y ago
This answer is:
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Vivian Ingraham

Lvl 1
2y ago
ok thx
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EL J

Lvl 1
1y ago
im not you dope
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Anonymous

Lvl 1
4y ago

Why are you cheating

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Q: What is the decimal 4.209 in expanded form with exponents?
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