Question

answers please
(-1) x (-1) x (-1) x.......... 10 times is equal to___.
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Answer 1

Answer:

Step-by-step explanation:

The answer is ( +1 ) :

This is because if we multiply again and again -1 the answer will be 1 and - into - changes into plus so the answer is +1 .

Hope it helps ,

Thank you.

Answer 2

Given:

The value -1.

To Find:

(-1) x (-1) x (-1) x.......... 10 times.

Solution:

(-1) x (-1) x (-1) x.......... 10 times can be written as,

${( - 1)}^{10}$

The key point to remember is that,

${( - 1)}^{(odd \: number)} = - 1$

${( - 1)}^{(even \: number)} = + 1$

10 is an even number. Hence,

${( - 1)}^{10} = 1$

(-1) x (-1) x (-1) x.......... 10 times is equal to 1.