How many binary digits are needed to create 1024 combination

How many binary digits are needed to create 1024 combinations?

A. 8

B. 9

C. 10

D. 11

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How many binary digits are needed to create 1024 combinations?
   A. 8
   B. 9
   C. 10
   D. 11

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Answer:
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C. 10

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Explanation:
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10 binary digits are needed to create 1024 combinations

A. 2 power 8 = 256

B. 2 power 9 = 512

C. 2 power 10 = 1024

   D. 2 power 11 = 2048

   Option C is fit for the 1024 combinations.
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