What do #100.# and #50.# mean?

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