<?xml version=“1.0” encoding=“UTF-8”?> <Observation xmlns=“hl7.org/fhir”>

      <id value="decimal"/>
      <meta>
  <security>
    <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
    <code value="HTEST"/>
    <display value="test health data"/>
  </security>
</meta>
<status value="final"/>
      <code>
  <text value="Decimal Testing Observation"/>
      </code>
<component>
  <code>
    <text value="Component"/>
  </code>
  <valueQuantity>
    <value value="1.0"/>
    <unit value="g"/>
  </valueQuantity>
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<component>
  <code>
    <text value="Component"/>
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  <valueQuantity>
    <value value="1.00"/>
    <unit value="g"/>
  </valueQuantity>
</component>
<component>
  <code>
    <text value="Component"/>
  </code>
  <valueQuantity>
    <value value="1.0e0"/>
    <unit value="g"/>
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</component>
<component>
  <code>
    <text value="Component"/>
  </code>
  <valueQuantity>
    <value value="0.0000000000000000000001"/>
    <unit value="g"/>
  </valueQuantity>
</component>
<component>
  <code>
    <text value="Component"/>
  </code>
  <valueQuantity>
    <value value="1000000000000000000"/>
    <unit value="g"/>
  </valueQuantity>
</component>
<component>
  <code>
    <text value="Component"/>
  </code>
  <valueQuantity>
    <value value="1.000000000000000000e-245"/>
    <unit value="g"/>
  </valueQuantity>
</component>
<component>
  <code>
    <text value="Component"/>
  </code>
  <valueQuantity>
    <value value="-1.000000000000000000e245"/>
    <unit value="g"/>
  </valueQuantity>
</component>

</Observation>