Question

Simplify (-2)^-3 x (-2)^-4 and write in exponential form​

Answer 1

Answer:

We have,

⇒(−2)

−3

×(−2)

−4

⇒

(−2)

3

1

×

(−2)

4

1

[∵(a)

−n

=

a

n

1

]

⇒

(−2)

7

1

[∵(a)

m

×(a)

n

=(a)

m+n

]

⇒−

128

1

Hence, this is the answer.