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Question
In a repeater machine with 0 as an exponent, the base machine is applied 0 times. What do these machines do to a piece of chalk?
Solution
Since, 30 = 1, 130 = 1, 290 = 1
Using law of exponents, a0 = 1 ...[∵ a is non-zero integer]
So, machine (× 30), (× 130) and (× 290) produce nothing on not change the piece 7 chalk.
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