The number 0.00243 has how many significant digits? a. 3 b. 4 c. 5 d. 6 please select the best answer from the choices provided a b c d


  1. The number of significant digits of 0.00243 is given by:
    c. 5.

    What are the significant digits at a number?

    The significant digits is the number of decimal places of the number, only discounting zeros at the end.
    For exemple, 0.00243 has five significant digits, as does 0.0024300000. Hence option C is correct.
    More can be learned about significant digits at


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