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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ८

Find the number in standard form for the following expansions: The radius of a hydrogen atom is 2.5 × 10−11 m - Mathematics

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प्रश्न

Find the number in standard form for the following expansions:

The radius of a hydrogen atom is 2.5 × 10−11

बेरीज

उत्तर

Radius of a hydrogen atom = 2.5 × 10−11

= `2.5 xx 1/10^11 "m"`

= `2.5/10^11 "m"`

= 0.000000000025 m

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पाठ 1: Numbers - Exercise 1.6 [पृष्ठ ४५]

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सामाचीर कलवी Mathematics [English] Class 8 TN Board
पाठ 1 Numbers
Exercise 1.6 | Q 9. (iii) | पृष्ठ ४५
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