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Can you name
the Prefixes for the International System of Units?

  • Enter a prefix in the box below
  • Correctly named prefixes will show up in the table below
  • Answers do not have to be guessed in order
  • The International System of Units is the world's most widely used system of units, both in everyday commerce and in science.
  • HINT: Think of RAM and hard drive space for your computer.
You have 6 minutes to guess after you click the button below.
Ready? Click to Start
Time remaining: 
Factor Prefix Symbol
1024Y
1021Z
1018E
1015P
1012T
109G
106M
103k
102h
101da
Factor Prefix Symbol
10-1d
10-2c
10-3m
10-6ยต
10-9n
10-12p
10-15f
10-18a
10-21z
10-24y
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