please help me answer my homework i really need it tomotor

ef-expanded form
v-value
1.
ef= 10×10
v= 100
2.
ef= 8×8×8×8×8×8
v= 262,144
3.
ef= 3×3×3×3
v= 81
4.
ef= -(2×2×2×2×2)
v= -32
5.
ef= 4×4×4×4×4×4×4×4×4×4
v= 1,048,576