Question

If the earth is an average of 9.3 x 10 miles from the sun, how far this distance in kilometer?

Answer 1

The distance between the Sun and the earth is 93 million miles (not 93!)

`93xx10^6 mi xx 1.609 (km)/(mi)~~150xx10^6 km`

In fact the UA it is defined as 149 597 870 700 meters. (miles are from XIX century)