a) 2*10^4 leagues= 2*10^4* 3.5*10^3= 7*10^7 m
b) required answer= 7*10^7 - 6.38*10^6 = 63.62*10^6 m
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Comment in case any doubt .. good luck
Verne's novel, Twenty Thousand Leagues Under the Sea, Captain Nemo and his passengers undergo many adventures...
3. If Jules Verne expressed the title of his book, Twenty Thousand Leagues Under the Sea, in metric units, what would the title be?