Question

find the product of the following
(-30x40x (-1)=____

7th maths multiplication of integers. ​

Answer 1

Step-by-step explanation:

(-30x40x (-1)

=-30×40×(-1).

= -120×(-1). we know that (-)×(-)=+ ------(1)

= 120 by by equation 1

Answer 2

Answer:

Dear frnd

Step-by-step explanation:

Given (-30×40(-1)

First multiple - 30×40 which is - 1200

Then multiple this by - 1 which is 1200

So - 1200×-1

=1200