#3.7#, #3.700#, #3.70# and #3.7000# are all equivalent.
Explanation:
Adding any number of #0's# after the last significant digit to the right of decimal point or removing any additional #0's# after the last significant digit to the right of decimal point, does not change the number.
Hence #3.7#, #3.700#, #3.70# and #3.7000# are all equivalent.