Which of the following prefixes represents the smallest value?

centi

deca

deci

milli

If a boat travels 3 miles in 1.5 hours how far will it travel in 1 hour

Yuri, sam and dani had the same math homework last night, but none of them finished it. yuri finished 3/8 of her homework, sam finished 4/6 of her homework and dani finished 1/2. who finished the most math homework? who finished the least amount?

Lorenzo ate 2/5 of his bag of almonds. his 4 friends ate equal shares of the remaining bag of almonds?