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Rounding to significant figures

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(Number) Maths Mapa Mental sobre Rounding to significant figures, creado por abbylebus el 12/05/2013.
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Mapa Mental por abbylebus, actualizado hace más de 1 año
abbylebus
Creado por abbylebus hace más de 11 años
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Resumen del Recurso

Rounding to significant figures
  1. The first significant figure (sf or sig fig) is the first digit that is not zero. The second, third, forth... significant figures follow on after the first digit. They may or may not be zeros.
    1. Examples:
      1. 2.7305 has 5 sf
        1. 0.00239 has 3 sf
      2. To round a number to a given number of significant places, apply the same rules with decimal places. If the next digit is 5 or more, round up.
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