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Math and Arithmetic
Statistics
Algebra

What is the units digit of 3 to the 200 power?

131415

Answer

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Wiki User
03/14/2010

To solve a question like this, one looks at patterns of powers. For example:

31 = 3

32 = 9

33 = 27

34 = 81

Hence 34 = 1 and 38 = 1 and 312 = 1 and 316 = 1 and so on ............

now in this same sequence 3200 = 1 hence unit digit is 1.