Why are perpendiculars important in construction?

Since two lines meeting at a 90-degree angle are perpendicular, your house, neighborhood, and classroom are full of perpendicular lines. Perpendicular lines help ensure that your table top is flat

Step-by-step explanation:

They mean that the drawers on your dresser can open and close easily and that doors stay shut when you close them.

a negative exponent is translated as follows:

so, we have

452,489 to the nearest thousand is 452,000