The number 4.124 has two 4s. why does each 4 have a different value?

Given abcd ac=38 and ae=3x+4 find the value of x

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?