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Express the following in usual form: 1.75 × 10–3 - Mathematics

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Question

Express the following in usual form:

1.75 × 10–3

Sum

Solution

Here, 1.75 × 10–3  = `175/100 xx 1/10^3`

= `175/100000`  ......`[∵ a^-m = 1/a^m]`

= 0.00175

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Chapter 11: Exponents and Powers - Exercise [Page 344]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 11 Exponents and Powers
Exercise | Q 74. (b) | Page 344

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