7300.00 has how many significant digits?
1 Answer
May 21, 2018
There are six significant digits.
Explanation:
Here are the rules you need for answering this question.
-
Non-zero digits are always significant. This rule tells us that
#7# and#3# are significant digits (#color(red)(73)00.00# ). -
Trailing zeroes between a significant digit and a decimal point are significant. This gives us two more significant digits (
#color(red)(73)color(blue)(00).00# ). -
Trailing zeroes to the right of a decimal point are significant. This gives us two more significant digits (
#color(red)(73)color(blue)(00.)color(orange)(00)# ).
Thus, the number 7300.00 has six significant digits.