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Question

Why do we do for example 2 raised to the power of -2 so why do we write 14?

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Solution

Check the pattern
25=2×2×2×2×224=2×2×2×2=252as,252=2×2×2×2×2×/2/2=24
Similarly, 23=2×2×2=24222=2×=232s1=2=222so,2=1=21221=22=1222=212=12×223=223=12×2×2am=a×a×am×am=1a×a×a×m×

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