Paper was measured to be A human hair was measured to have a diameter of a 15x 10inches, The
3.94x 10 inches thick.
In scientific notation, how much thicker is the piece of paper than the hair?
O079x10- inches
O 79x10 inches
O o79x10 inches
O 79x10 inches

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?

You coordinate volunteers for litter cleanup in local parks. your spreadsheet lists drivers and the number of seat belts in each driver’s car. the spreadsheet calculates the number of drivers (d) and the total number of seat belts (s). you want to know the maximum number of volunteers, besides drivers, that can be transported to the park in a single trip given that each person must have a seat belt of their own.

Which expression represent a number that is one fourth as great as 10-2a. (10-2)+4b. (10-2)÷4c. (10-2)-4d. (10-2)×4