Simplify by using rule of indices.
x² × x⁴ × x⁻⁶
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Given, (6.25)0.5×102×(100)−1/2
= (6.25)0.5×102×(102)−1/2
= (6.25)0.5×102×(10)−1 Using [(Am)n=Amn]
= (6.25)0.5×101 Using [Am×An=Am+n]
= ((2.5)2)0.5×101
= (2.5)1×101 Using [(Am)n=Amn]
= 2.5×10
= 25
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