Question

a.(-2)³=
b.(-2)⁴=
c.(-2)⁴x(-2)³=

Answer 1

a)

$\left(-2\right)^3\\\left(-2\right)^3=-2^3\\2^3=8\\=-8$

b)

$\left(-2\right)^4\\\left(-2\right)^4=2^4\\2^4=16\\=16$

c)

$\left(-2\right)^4\cdot \left(-2\right)^3\\\left(-2\right)^4\left(-2\right)^3=\left(-2\right)^{4+3}\\=\left(-2\right)^7\\\left(-2\right)^7=-2^7\\2^7=128\\=-128$