Express the following in single exponential form: (–11)2 × (–2)2 - Mathematics

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Sum

Express the following in single exponential form:

(–11)2 × (–2)2

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Solution

We have, (–11)2 × (–2)= [(–11) × (–2)]2  ......[∵ am × bm = (a × b)m]

= 222  ......[∵ (–11) × (–2) = 22]

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Chapter 11: Exponents and Powers - Exercise [Page 345]

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NCERT Exemplar Mathematics Class 7
Chapter 11 Exponents and Powers
Exercise | Q 81. (f) | Page 345

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