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Sections | |||
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Mixtures | 12 mins | 0 completed | Learn Summary |

Scientific Notation | 6 mins | 0 completed | Learn |

Accuracy & Precision | 5 mins | 0 completed | Learn |

Standard Deviation, Mean, Median & Mode | 7 mins | 0 completed | Learn |

Metric Prefixes | 17 mins | 0 completed | Learn Summary |

Significant Figures | 18 mins | 0 completed | Learn Summary |

Energy, Heat and Temperature | 7 mins | 0 completed | Learn Summary |

Physical & Chemical Changes | 7 mins | 0 completed | Learn Summary |

Dimensional Analysis | 28 mins | 0 completed | Learn |

Density | 14 mins | 0 completed | Learn Summary |

End of Chapter 1 Problems | 51 mins | 0 completed | Learn |

Additional Practice |
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The Scientific Method |

Filtration |

Physical & Chemical Properties |

Types of Energy |

Solution: Write the following number in scientific notation and round off to five significant figures: 0.00392708 x 10 81 .
a) 3.9271 x 10 84
b) 3.9270 x 10 78
c) 0.39271 x 10 78
d) 3.9270 x 10 80
e) 3.927

Write the following number in scientific notation and round off to five significant figures: 0.00392708 x 10 ^{81} .

a) 3.9271 x 10 ^{84}

b) 3.9270 x 10 ^{78}

c) 0.39271 x 10 ^{78}

d) 3.9270 x 10 ^{80}

e) 3.9271 x 10 ^{78}

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