{
  "name": "Powers of Ten and Scientific Notation",
  "order": 20,
  "challenges": [
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      "title": "Multiply Decimals by Powers of Ten",
      "description": [
        ""
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      "challengeSeed": [
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      "tests": [
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      "id": "59a5801209a6acac59836417",
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      "description": [
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      "challengeSeed": [
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      "tests": [
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    {
      "id": "59a5801209a6acac59836418",
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      "challengeSeed": [
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      "tests": [
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      "id": "59a5801209a6acac59836419",
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}