Round 739 to the nearest ten and hundred

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 (monthly car loan payment per $1,000 borrowed) i need !

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8