Decide whether the following sentences are appropriate,too precise or too rough.Please make the necessary changes if you find them inappropriate.
(1)Sandy uesd 1435.21seconds to complete an essay.
(2)Tim's weight is 53426.11g.
(3)There are 300 days in a year.
(4)The attendance of a soccer match is 34500.
(5)The selling price of an apartment is $2500000.