• 2021-04-14
    is a unit for measuring length which equals to 10 meters.
  • Decameter

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    • 0

      ​Which of the following is the length unit?​​​​​ A: yard B: hectare C: gallon D: pound

    • 1

      Which unit below is not in the System International (SI) of units? A: Unit of length is the meter (m) , B: The force unit is the pound (lb), C: The time unit is the second (s), D: The temperature unit is the kelvin (K).

    • 2

      A unit price consists of four parts: currency unit, unit price figure, measuring unit and price terms.

    • 3

      The swimming pool is 80 meters _____ and 40 meters _______. A: in long; in wide B: in length; in width C: long; in width D: in length; wide

    • 4

      There is a rectangular gate with a width 10 meters and a height 6 meters. When the upper boundary of the gate is [img=11x19]1803e24906a47de.png[/img] meters under the water surface, the water pressure on the gate is just twice that of the initial pressure. Then [img=30x19]1803e2490f6ee99.png[/img]( )meters. A: 4 B: 2 C: 1 D: 3