Chapter 1 - Chemistry and Measurement - Questions and Problems - Page 35: 1.89

$4435m$

We know that $1 fathoms=6ft$ $\implies 2425 fathoms=2425\times 6ft$ As $1 ft =12 in$ so $2425 fathoms=2425\times 6\times 12in$ We also know that $1 in=2.54\times 10^{-2}m$ $\implies 2425 fathoms=2425\times 6\times 12\times 2.54\times 10^{-2}m=4435m$