Write the number in scientific notation 0.0000024

Can someone me with my hwplz(only the circled ones)

Which property is illustrated by the statement given below? raj raj.

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?