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Question

(4)0.5×(0.5)4 is

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Solution

The given expression is (4)0.5×(0.5)4

We can write 4=22 and 0.5=12

Hence, we will have,
(22)0.5×(12)4

We know that, (am)n=am×n and (ab)m=ambm

Hence, we can further simplify the expression as,
(2)2×0.5×1424

(2)1×1424

We also know that, 1am=am
Hence, 21×24

Also, am×an=am+n
Hence, 214=23

23=123

18[23=2×2×2=8]

18=0.125

Hence, (4)0.5×(0.5)4=0.125

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