(186,000 mi/sec) x (3,600 sec/hr) x (24 hr/da) x (365 da/yr)
= (186,000 x 3,600 x 24 x 365) mi/yr
= 5,865,696,000,000 miles per year (rounded to the nearest million miles)
I believe the answer is D
I suppose that you wanted write "uncharged". The particles without electrical charge present in the nucleus are called neutrons.
