Posted by kayla on Wednesday, September 10, 2008 at 7:33pm.
I don't understand how to round to significant digits
565 lb * 30 ft
4900 ft/ 144 sec
786 hr * 23 miles per hour

math/chemistry  bobpursley, Wednesday, September 10, 2008 at 7:55pm
The first one will be to one significant digit because of the 30 has only one sig digit.
The second will have two because of the numerator.
The third will have 2 because of the denominator.

math/chemistry  kayla, Wednesday, September 10, 2008 at 8:00pm
I under stand this but once i get the answers i really don't know how to do it these re the answers i get
1. 16950
2. 34.02777778
3. 18078
but i don't understand how to round it like would the first one be 10?
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