Question

(-1) (-1) × (-1) ... 5 times is equal
*
to
(a) 1
(b) - 1
O (c) 1 or - 1
0 (d) none of these​

Answer 1

Answer:

(b) -1

Step-by-step explanation:

Given that -

(-1)*(-1)*(-1)*(-1)*(-1) =

$(-1)^5$ =

-1

Why ?

• Because any number multiplied by odd number of times is odd only.
• Because any number multiplied by even number of times is even only
• Any number multiplied by itself a number of times can be reduced as an exponential notation.

Hope it works !

Answer 2

Answer:

(b) -1

Step-by-step explanation:

Given that -

(-1)*(-1)*(-1)*(-1)*(-1) =

(-1)^5(−1)

5

=

-1

Why ?

Because any number multiplied by odd number of times is odd only.

Because any number multiplied by even number of times is even only

Any number multiplied by itself a number of times can be reduced as an exponential notation.

Hope it works !