21*11
7. Express each of the following rational numbers in the exponential form:
125
343
(iii)
216
. :
729
florin
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Answer:
(1)121=11×11=11²
(2)125=5×5×5=5³
(3)343=7×7×7=7³
(4)216=2×2×2×3×3×3=2³×3³
((4)729=3×3×3×3×3×3=3⁶
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