Next 2 numbers after 0.006, 0.06, 0.6, 6

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?

You borrow $15000 to buy a tractor. the simple interest rate is 4%. you pay the loan off after 8 years. what is the total amount you paid for the loan