Question

Multiply:
(i) -18~(-21)​

Answer 1

Step-by-step explanation:

hhdhd hdhd dhduhd hdhdhd ysudud dududhvdu

Answer 2

Hewwooo!!

Step-by-step explanation:

$\boxed{ \underline{ \large\sf{378}}}$

Multiplying negative & negative integer results to positive integer. When you multiply, -18 × ( - 21 ) , you will get 378. For this , You will have to memorize all these integer rules which are mentioned below :

$( +) \times ( + ) = ( + )$

$( - ) \times ( - ) = ( + )$

$( + ) \times ( - ) = ( - )$

$( - ) \times ( + ) = ( - )$

Hope this helps! :D