2.5 x 10^2 and 3 x 10^3

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?