Complete the following task for this equation: b/7.8 = -2.15.  A. Give an estimate for the solution. Be sure to explain how you arrived at that estimate, either by showing an equation or in words.

B. Solve the equation. Show or explain your work.

C. Compared to your estimate, is your answer reasonable? Explain your answer in complete sentences.

Pls answer fully

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

Anyone know? will mark brainliest if you're correct!

Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10