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When a number is raised to a power, it is itself multiplied together the power times, eg:

  • 22 = 2 x 2
  • 23 = 2 x 2 x 2

so:


210 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2
= 2 x (2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2)
= 2 x 29
= twice 29
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12y ago

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