Question

10x(-20) is equal to _____________

Answer 1

firstly, As we have studied that

+, - = –

+, + = +

–, – = +

–, + = –

Now, As In Multiplication 10(–20)

we have –^+= –

The negative sign will come with the

answer. And by multiplying 10^20

we have 200

As proved above that the negative sign will

come with answer, the accurate answer is

= –200