मराठी

In standard form, the number 72105.4 is written as 7.21054 × 10n, where n is equal to ______. - Mathematics

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प्रश्न

In standard form, the number 72105.4 is written as 7.21054 × 10n, where n is equal to ______.

पर्याय

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MCQ
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उत्तर

In standard form, the number 72105.4 is written as 7.21054 × 10n, where n is equal to 4.

Explanation:

We know that, if the given number is greater than or equal to 10, then the power of 10 (i.e. n) is a positive integer equal to the number of places the decimal point has been shifted.

Hence, 72105.4 = 7.21054 × 104

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पाठ 11: Exponents and Powers - Exercise [पृष्ठ ३३८]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 7
पाठ 11 Exponents and Powers
Exercise | Q 11. | पृष्ठ ३३८
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