Question

please answer me fast.....​

Answer 1

Answer:

1800

Step-by-step explanation:

5×18=90 rooms

90×20=1800 switches

Answer 2

Answer:

1800

Step-by-step explanation:

There are 5 floors, each floor having a 18 rooms, and 20 switches per

so, 5×18 gives us the total rooms and the building.

90 is the total rooms in the building.

90×20 gives us the total number of switches each

rooms have.

1,800 are the total numbers of switches in the

whole buildings.....

plzz mark me as a brainlinest