Express 0.001 in scientific notation by counting decimal places

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.

Some of the images in the diagram are images of polygon 1. from similarity transformations, polygon 1 16 14 polygon 4 polygona polygons 4 6 8 10 12 14 16 18 20 22 24 26 polygon and polygon are similar to polygon 1,