Write down the decimal expansions of - 6-15

6 15=2 5 =2× 2 5 × 2=4 5^1.2^1=4 10^1=0.4 ...

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Standard X

Mathematics

Check If a Given Rational No. Is Terminating or Not

Write down th...

Question

Write down the decimal expansions of : $\frac{6}{15}$

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Solution

$\frac{6}{15} = \frac{2}{5}$
= $\frac{2 \times 2}{5 \times 2} = \frac{4}{5^{1} {.2}^{1}} = \frac{4}{10^{1}} = 0.4$

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Similar questions

Q. Write down the decimal expansions of
(i)

\frac{13}{3125}

(ii)

\frac{17}{8}

(iii)

\frac{15}{1600}

Question 2
Write down the decimal expansions of
(i) $\frac{13}{3125}$
(ii) $\frac{17}{8}$
(iii) $\frac{15}{1600}$
(iv) $\frac{23}{2^{3} 5^{2}}$
(v) $\frac{6}{15}$
(vi) $\frac{35}{50}$

Q. Write down the decimal expansions of the rational numbers which have terminating decimal expansions.
(i)

\frac{13}{3125}

(ii)

\frac{17}{8}

(iii)

\frac{15}{1600}

(iv)

\frac{23}{2^{3} 5^{2}}

(v)

\frac{6}{15}

(vi)

\frac{35}{50}

Write down the decimal expansions of : $\frac{23}{2^{3} {.5}^{2}}$

Write down the decimal expansions of those rational numbers in Question 1 above which have terminating decimal expansions.

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Write down the decimal expansions of : 615

615=25 =2×25×2=451.21=4101=0.4

Write down the decimal expansions of : $\frac{6}{15}$

$\frac{6}{15} = \frac{2}{5}$
= $\frac{2 \times 2}{5 \times 2} = \frac{4}{5^{1} {.2}^{1}} = \frac{4}{10^{1}} = 0.4$