Question

by which number should (-8)^-1 be multiplied so that the product is equal to 10^-1​

Answer 1

Step-by-step explanation:

The required number is 0.8.

Step-by-step explanation:

To find : By what number should -8^{-1}−8

−1

be multiplied to get -10^{-1}−10

−1

?

Solution :

Let the number be 'x'.

According to question,

-8^{-1}\times x=-10^{-1}−8

−1

×x=−10

−1

x=\frac{-10^{-1}}{-8^{-1}}x=

−8

−1

−10

−1

x=\frac{8}{10}x=

10

8

x=0.8x=0.8

Therefore, the required number is 0.8.