Write in exponential form.

x ∙ x ∙ x ∙ x

1.

2x ∙ 2x ∙ 2x ∙ 2x

2.

2 ∙ y ∙ y ∙y

3.

3 ∙ 3 ∙ 3 ∙ x ∙ x ∙ x

4.

2x3  when x = 5

1.

3(x2)  when x = 4

2.

(x + 5) ÷ 3  when x = 10

3.

8[(6x -2) ÷ y]  when x = 4  and  y = 2

4.

{[(4a -2) ÷ 2] ∙ b }3  when a = 6  and b = 0.5

5.

Find the surface area and the volume of the cube with the dimensions given.

length = 3 in     height = 3 in     depth =  3 in

1.

length = 2 cm   height = 2cm     depth = 2 cm

2.

length = 4.5 ft   height = 4.5 ft   depth = 4.5 ft

3.