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The power (or index) tells you how many times the number is multiplied (by itself).

eg 5³ = 5 × 5 × 5 (5 multiplied by itself 3 times)

eg 5² = 5 × 5 (5 multiplied by itself 2 times)

If the power is negative, it is the reciprocal of the number to the positive power, ie it is 1 over this number.

eg 5^-3 = 1/(5³) = 1/(5×5×5)

eg 5^-2 = 1/(5²) = 1/(5×5)

Thus 5¹ = 5.

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9y ago

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