•1.All nonzero digits are significant 965 12,456 3.41567
•Zeroes may be troublesome.
•2. Zeroes btn 2 nonzero digits are sig. 10.143 20006 230807 3.00001
•3. Zeroes that come before the first nonzero digit (after the decimal pt) are not
sig. 0.000000045 (4.5
x 10-8)
•