4
In Numbers Containing No
Decimal Point
zeros trailing to the right of the right-most
non-zero digit may or may not
be significant
The
number 100, for example, many have 1 sign. figure
(100) ,
2 sign.
figures,
(100) ,
or 3 sign.
figures,
(100) ,
Remove
all ambiguity by expressing the number using scientific notation.
100: expressed to 1 sign. fig.
1 x 102
expressed to 2 sign. fig.
1. 0 x 102
expressed to 3 sign. fig.
1. 00 x 102