im clueless?? lol =]
2006-09-11 14:38:23 · 4 answers · asked by Anonymous in Education & Reference ➔ Homework Help
If you can see the object with your eyes, it's easily 1 millimeter (0.001 meter) in scale, such as a single grain of sand. Cells & viruses, however, are much smaller...0.001 millimeters across at the biggest. 0.001 millimeter = 1 micrometer. Even smaller to atomic structure...atom radius = 3 nanometers. This is .0000003 millimeters. SI notation simply eliminates the need for so many zeros to describe a quantity.
My computer has 540,000,000,000 bytes of storage. Or, 540 gigabytes, if you prefer.
2006-09-11 14:49:55 · answer #1 · answered by Professor 3 · 0⤊ 0⤋
Because the stuff under a microscope is so small that you'd have to use fractions of millimetres. There are 1000 micrometres in a millimetre.
Basically, it's the same reason you don't calculate your height in kilometres.
2006-09-11 21:50:06 · answer #2 · answered by sdc_99 5 · 0⤊ 0⤋
A millimeter is one thousand times larger than a micrometer; the kinds of things you observe under a microscope are so small that they must be measured with this unit. Otherwise they would call it a milliscope...
2006-09-11 21:49:40 · answer #3 · answered by alethiaxx 3 · 0⤊ 0⤋
Because things under a microscope are smaller, as are micrometers. (Micrometers are smaller than millimeters)
^^ I just made that up. That's my educated guess being in 8th grade and all.
2006-09-11 21:45:06 · answer #4 · answered by Emily 2 · 0⤊ 0⤋