The expansion of 257 is

200 + 5 + 70

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2 x 100 + 5 x 10 + 7 x 1

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200 + 5 x 7

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20 + 5 + 7

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Solution

The correct option is B
2 x 100 + 5 x 10 + 7 x 1

H T O
2 5 7 = 2 x 100 + 5 x 10 + 7 x 1

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Write the denominator of rational number $\frac{257}{5000}$ in the form $2^{m} \times 5^{n}$ , where m, n are non - negative integers. Hence, write its decimal expansion, without actual division.

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The expansion of 257 is

The correct option is B 2 x 100 + 5 x 10 + 7 x 1 H T O 2 5 7 = 2 x 100 + 5 x 10 + 7 x 1

The correct option is B
2 x 100 + 5 x 10 + 7 x 1

H T O
2 5 7 = 2 x 100 + 5 x 10 + 7 x 1