How many moles are present in 5.0 billion atoms of carbon? ___________ (Answer with the correct number of sig figs) Chemistry Measurement Significant Figures 1 Answer Ernest Z. Mar 15, 2018 There are #ul(8.3 × 10^"-15" color(white)(l)"mol")#. Explanation: #5.0 × 10^9 color(red)(cancel(color(black)("atoms"))) × "1 mol"/(6.023 × 10^23 color(red)(cancel(color(black)("atoms")))) = 8.3 × 10^"-15" color(white)(l)"mol" # Answer link Related questions What are rounding and significant figures? How can I round significant figures when multiplying? How can I round significant figures in Excel? Why should I use significant figures in chemistry? Question #1cb75 When I am doing calculations, how much should I round of the masses in the Periodic Table? What are significant figures and why do they matter? Question #8372c Question #b65fe Question #0a2eb See all questions in Significant Figures Impact of this question 5652 views around the world You can reuse this answer Creative Commons License