What is the size of the product? |-7 |. 3 |11 | =
| 2 |
Choose one:
1 x3
3x1
3х3

In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

Can someone tell me if this is perpendicular? !