Question

- 13 multiply by 65​

Answer 1

Answer:

Answer is -845

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Answer 2

Answer:

-845

Step-by-step explanation:

first we will multiply 63 × (-13)

after this Ans will be -845

we find - by that we locate the sign

some important rule form this question

+ - = -

- + = -

+ + = +

- - = +