What answer represents this number in scientific notation. 0.00000916 a.916*10^-8 b.9.16*10^-6 c.916*10^8 d.9.16*10^6

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83