about 5 inches
4 inch and 10 cm
10
they can be bought in what ever size you want.
Blackboards are different sizes. You need to measure the particular blackboard with a ruler or tape measure to get the width. The width is the shorter side (the length is the longer side).
You can measure small lengths in millimeters. Length of a pencil, pen, eraser, length and width of a paper, sheet etc. can be measured in millimeters.
paper clips beads finger nails length of an eraser
Borrador
defeat a cog.
Cancer is imminent.
a snow storm throughout the day, starting around midday
A blackboard eraser or shoe box
A typical blackboard is about 2 meters in length.
A traditional blackboard now costs around $50.00. The prices of blackboards have dropped due to the increase in marker eraser boards, as well as by the advancements of technology.
Depends on the size of the eraser
It depends on which type of eraser you are talking about: Goma - The eraser at the end of a pencil or rubber eraser - sometimes called Goma de borrar. Borrador - Blackboard or dry erase board eraser - sometimes also pencil eraser. Limpiador - "Cleaner" is sometimes used as eraser Protector - "Protector" was the name of the Arnold Schwarzenegger movie "Eraser" in Spanish. Borrar - is the Spanish word to erase.
About 15 feet long.
10
It could be either one. I'd have to see the blackboard. If it's 10m, it's in a very large room. If it's 10cm, it's a very tiny blackboard.