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significant figures

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82.453 in 3 significant figures with scientific notation.

~hm..I don't know how to do sounds simple but I'm confused.

Help please =)

  • significant figures -

    To three s.f. it is 82.4 (the next number is 5 and I round to the "even" number which is 4. If the number was 82.553 I would make it 82.6.
    82.4 in scientific notation is
    8.24 x 10^1

  • significant figures -

    Thanks Dr.Bob =)

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