Question

40 points if helped please as soon as possible

Answer 1

1.33 × 10² hours

Explanation:

Time taken is calculated as

Time =
`(Distance)/(Speed)`

=
`(3.2(10^(6)) )/(2.4(10^(4)) )`

=
`(3.2)/(2.4)` ×
`(10^(6) )/(10^(4) )`

= 1.33 ×
`10^((6-4))`

= 1.33 × 10² hours ( to 3 significant figures )