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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ९

The smallest rational number by which 13 should be multiplied so that its decimal expansion terminates with one place of decimal is

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प्रश्न

The smallest rational number by which `1/3` should be multiplied so that its decimal expansion terminates with one place of decimal is

विकल्प

  • `1/10`

  • `3/10`

  • 3

  • 30

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उत्तर

`3/10`

Explanation;

Hint:

`1/3 xx 3/10 = 1/10`

= `1/(2 xx 5)`

It has terminating decimal expansion.

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Conversion of Terminating Decimals into Rational Numbers
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Real Numbers - Exercise 2.9 [पृष्ठ ७५]

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सामाचीर कलवी Mathematics [English] Class 9 TN Board
अध्याय 2 Real Numbers
Exercise 2.9 | Q 7 | पृष्ठ ७५
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