Answer:
-200 metre is less 450m because - 200 metre is negative.
Answer:

Step-by-step explanation:
Step one:
given data
3,700 mile
In scienctific notation or in standard form 3,700 mile is expressed as







Note
Write the number until underlined point.I did it till end
Answer:
d≈91.63m
Step-by-step explanation:
d=w2+l2=78.92+46.62≈91.63389m