What power of 10 makes the number 7 equal to 700?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Long division the problem is 40 ➗ 348 = ?

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick