Scientists estimate that a whale might eat 6.3 x 104 pounds of plankton in a week. Write this amount of plankton in standard notation.

Can someone check my answer? you : )

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?