If a number has no decimal, final zeros are not counted. 22, 500 cm2 has only ... Addition and Subtraction When numbers are added or subtracted, the answer should not contain more digits than those in the original data. Therefore, 4.0 cm + anbsp;...

Title | : | UPCO's Review of Physics |

Author | : | Herbert H. Gottlieb |

Publisher | : | - 2001-01-01 |

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