Sig Figs: Calculating Answers to 1 & 2

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When adding or multiplying numbers with significant figures, the result should reflect the precision of the least precise measurement. For the expression 208998 + 4.7 x 10^5, the answer should be rounded to three significant figures, resulting in 471000. In the multiplication of (0.0000328) and (45.9 x 10^8), the result should be rounded to two significant figures, yielding 1.5 x 10^3. Understanding how to apply these rules is crucial for accurate scientific calculations. Proper application of significant figures ensures clarity and precision in mathematical results.
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Homework Statement



how many significant figures are there if a scientific notation is added or multiplied to a whole number, let's say


1.) 208998 + 4.7 x 10^5 =??
2.) (0.0000328) (45.9 x 10^8) =??

Homework Equations





The Attempt at a Solution


I've been thinking since last night... please help...
 
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thank you very much! :smile:
 
chemic_23 said:
thank you very much! :smile:

Thank Google.

Cheers.
 

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