Find each product or quotient where possible. See Example 2. 2𝝅/( 2⁄3) (Leave 𝝅 in the answer.)

Find each product or quotient where possible. See Example 2. -7.2/0.8

Find the given distances between points P, Q, R, and S on a number line, with coordinates -4, -1, 8, and 12, respectively. See Example 3. d (P, Q)

Find the given distances between points P, Q, R, and S on a number line, with coordinates -4, -1, 8, and 12, respectively. See Example 3. d (Q, R)

Evaluate each expression. See Example 4. -2⁴

Evaluate each expression. See Example 4. (-2)⁴

Evaluate each expression. See Example 4. (-3)⁵

Evaluate each expression. See Example 4. -2 • 3⁴