Unfortunately, I cannot see any of your attachments.

"6.63 rad" is the NUMERICAL value but the problem asked you give it in terms of : Since there are 360 degrees or radians so the conversion factor is radians per degree. . Just do the fraction part.

Unfortunately, I cannot see the attachments.

to 4 sig.figs

1.018

Solve the equation for all nonnegative values of less than . Do by calculator, if needed, and give the answers to three significant digits in the order of increasing.

(not sure what to do)

A satellite is in a circular orbit 225 km above the equator of the earth. How many kilometres must it travel for its longitude to change by 86.3°?

Assume the radius of the earth equals 6400 kilometres.(round to the nearest whole number)

i got 9639.80 =9600