<?xml version="1.0" encoding="UTF-8"?><Observation xmlns="http://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>
  </component>
  <component>
    <code>
      <text value="Component"/>
    </code>
    <valueQuantity>
      <value value="1.00"/>
      <unit value="g"/>
    </valueQuantity>
  </component>
  <component>
    <code>
      <text value="Component"/>
    </code>
    <valueQuantity>
      <value value="1.0e0"/>
      <unit value="g"/>
    </valueQuantity>
  </component>
  <component>
    <code>
      <text value="Component"/>
    </code>
    <valueQuantity>
      <value value="0.00000000000000001"/>
      <unit value="g"/>
    </valueQuantity>
  </component>
  <component>
    <code>
      <text value="Component"/>
    </code>
    <valueQuantity>
      <value value="10000000000000000"/>
      <unit value="g"/>
    </valueQuantity>
  </component>
  <component>
    <code>
      <text value="Component"/>
    </code>
    <valueQuantity>
      <value value="1.00000000000000000e-24"/>
      <unit value="g"/>
    </valueQuantity>
  </component>
  <component>
    <code>
      <text value="Component"/>
    </code>
    <valueQuantity>
      <value value="-1.00000000000000000e245"/>
      <unit value="g"/>
    </valueQuantity>
  </component>
</Observation>