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Question
By multiplying (10)5 by (10)–10 we get ______.
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Solution
By multiplying (10)5 by (10)–10 we get (10)–5.
Explanation:
Using law of exponents,
(a)m × (a)n = (a)m + n ...[∵ a is non-zero integer]
Similarly, (10)5 × (10)–10 = (10)5 – 10 = (10)–5
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