I would advise for you to go over your math notes, Abigail.
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But still...
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that's what I'm here for!! alternate textbook :P
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One is 1.
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Two hundred fifty three thousandths.
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OMG SO HARD!!
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Actually, not at all.
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How many decimal places are there in thousandths?
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Yup, 3.
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So... two hundred fifty three thousandths.
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200 first of all.
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fifty three thousandths...
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253!!
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So.
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1.253.
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Hope I helped!!