How do you round 0.000718 kilograms to two significant figures?

1 Answer
Aug 26, 2016

#color(blue)(0.000)color(red)(72 ) # kg has 2 significant figures

Explanation:

The number #color(blue)(0.000)color(red)(718)# has 3 significant figures as shown in red. The blue zero's are place holders showing how big or small the number is.

#color(blue)(0.000)color(red)(72) # kg has 2 significant figures - the 8 makes the 1 round up to 2.