The mass of an electron is approximately 9 × 10-28 grams, while the mass of a neutron is approximately 2 × 10-24 grams. which of the following is true?

the mass of a neutron is approximately 2,000 times the mass of an electron.

the mass of a neutron is approximately 10,000 times the mass of an electron.

the mass of a neutron is approximately 20,000 times the mass of an electron.

the mass of a neutron is approximately 1,000 times the mass of an electron.

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

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?

Math it's appreciated. (picture provided)