Question

a space ship goes at the rate of 3.5 *10 ^2 km/hour. express the time it will take to cover 2500 km in scientific notation ​

Answer 1

Answer:

speed=distance/time

s=d/t

s=3.5×10^2km/hr

d=2.5×10^3

therefore time=2.5×10^3/3.5×10^2

=25/3.5

=250/35=7hrs approx