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Which is the decimal form of ( \frac{31}{400} )?भिन्न ( \frac{31}{400} ) का दशमलव रूप कौन-सा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (0.0775)(0.0775)
(400\times25=10000), so ( \frac{31}{400}=\frac{775}{10000}=0.0775 ). Making the denominator a power of (10) is useful.(400\times25=10000), इसलिए ( \frac{31}{400}=\frac{775}{10000}=0.0775 ) है। हर को (10) की घात बनाना उपयोगी है।
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