MHB Round To Two Significant Digits

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    Significant digits
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Rounding to two significant digits means retaining only the first two non-zero digits of a number, regardless of its decimal or whole number status. For example, rounding 542,867.21054031 results in 5.4 x 10^5. This process does not equate to rounding to two decimal places or the tens place; it focuses on the significance of the digits. Understanding significant digits is crucial for accurate scientific and mathematical communication. Researching this topic can provide further clarity on rounding rules and applications.
mathdad
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What does it mean to round to TWO SIGNIFICANT DIGITS?

SAMPLE:

Round 542,867.21054031 to two significant digits.

Does this means to round to two decimal places or does it mean to round to the tens place?
 
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RTCNTC said:
What does it mean to round to TWO SIGNIFICANT DIGITS?

SAMPLE:

Round 542,867.21054031 to two significant digits.

Does this means to round to two decimal places or does it mean to round to the tens place?

$5.4 \times 10^5$

recommend you research the topic of significant digits ...

Rounding and Significant Digits | Purplemath
 
skeeter said:
$5.4 \times 10^5$

recommend you research the topic of significant digits ...

Rounding and Significant Digits | Purplemath

1. Thank you for the link provided.

2. I also found some helpful youtube clips.
 

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