math!

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hi im lauren and i have a big math test tomorrow(7th grade) and i need 2 know wht interval means. And i need the expalnation 2 be so simple that a little kid can understand it. lol. Can someone answer like in the next 10 mins plz! thx!! hurry peeps!!lol

  • math! -

    Don't know if it is still useful, as it is past 10 minutes.
    An interval is a mathematical notation to indicate a continuous range of numbers. The lower limits and upper limits are separated by a comma. If the lower limit is included in the interval, we put an opening bracket [ before the limit, if it is excluded, we put an opening parenthesis (. Same goes for the upper limit, but the bracket/parenthesis is placed after the upper limit.
    For example,
    [4,8)
    will range from 4 to 8, but 8 is excluded.

    It is also important to specify the number space if the interval does not contain real numbers (i.e. with decimals, etc.)

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