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प्रश्न
a3 × a–10 = ______.
उत्तर
a3 × a–10 = a–7.
Explanation:
Given, a3 × a–10
Using law of exponents, am × an = (a)m + n ...[∵ A is non-zero integer]
Similarly, a3 × a–10 = (a)3 – 10 = (a)–7
Hence, a3 × a–10 = a–7
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