Question

(b) If we subtract (- 10) from (- 11) we get-
(iii) - 21
(i) - 1
(ii) 1​

Answer 1

Answer:

-1

Step-by-step explanation:

when we subtract (-10) from (-11)

implies that

= (-11) -(-10)

we know that  (- )* (-)  = (+)

= -11+10

= -1

hope u are satisifed

Answer 2

Answer:

–1

Step-by-step explanation:

A/Q,

When we subtract (–10) from (–11), we get

= (–11) –(–10)

But, as know that (–) ×(–) = (+)

So, we get

= (–11) + 10

= –1

I hope it may help you in exam to solve in short time