Round your answer to three decimal places
4.1 x 104
1.28 x 10-5

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Simplify the expression. -2/5(10+15m-20n)

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?