Write each of the following as decimals-i 8100ii 20-910-4100iii 23-210-61000

(i) nbsp; We have 8 hundredths. there4; nbsp;8100 = 0.08 (ii) We have 2 tens, 9 tenths and 4 hundredths. there4; nbsp;20 #160;+ #160;910 #160 ...

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Standard VII

Mathematics

Place Value of Decimals

Write each of...

Question

Write each of the following as decimals:
(i) $\frac{8}{100}$
(ii) $20 + \frac{9}{10} + \frac{4}{100}$
(iii) $23 + \frac{2}{10} + \frac{6}{1000}$

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Solution

(i) We have 8 hundredths.
∴ $\frac{8}{100}$ = 0.08

(ii) We have 2 tens, 9 tenths and 4 hundredths.
∴ $20 + \frac{9}{10} + \frac{4}{100} = 20 + 0.9 + 0.04$
= 20.94

(iii) We have 2 tens, 3 ones , 2 tenths and 6 thousandths.
∴ $23 + \frac{2}{10} + \frac{6}{1000} = 23 + 0.2 + 0.006$
= 23.2006

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Similar questions

Q. Write each of the following as decimals:

(i)

20 + 9 + \frac{4}{10} + \frac{1}{100}

(ii)

30 + \frac{4}{10} + \frac{8}{100} + \frac{3}{1000}

(iii)

137 + \frac{5}{100}

(iv)

\frac{7}{10} + \frac{6}{100} + \frac{4}{1000}

(v)

23 + \frac{2}{10} + \frac{6}{1000}

(vi)

700 + 20 + 5 \frac{9}{100}

Q. Write each of the following as decimals:

(i)

137 + \frac{5}{100}

(ii)

20 + 9 + \frac{4}{100}

Simplify each of the following and write as a rational number of the form $\frac{p}{q}$ :
(i) $\frac{3}{4} + \frac{5}{6} + \frac{- 7}{8}$
(ii) $\frac{2}{3} + \frac{- 5}{6} + \frac{- 7}{9}$
(iii) $\frac{- 11}{2} + \frac{7}{6} + \frac{- 5}{8}$
(iv) $\frac{- 4}{5} + \frac{- 7}{10} + \frac{- 8}{15}$
(v) $\frac{- 9}{10} + \frac{22}{15} + \frac{13}{- 20}$
(vi) $\frac{5}{3} + \frac{3}{- 2} + \frac{- 7}{3} + 3$

Q. Write each of the following as decimals:

(i)

30 + 6 + \frac{2}{10}

(ii)

700 + 5 + \frac{7}{10}

(iii)

200 + 60 + 5 + \frac{1}{10}

(iv)

200 + 70 + 9 + \frac{5}{10}

Q. Write the place value of each digit in each of the following decimals:
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Write each of the following as decimals: (i) 8100 (ii) 20+910+4100 (iii) 23+210+61000

(i) We have 8 hundredths. ∴ 8100 = 0.08 (ii) We have 2 tens, 9 tenths and 4 hundredths. ∴ 20 + 910 + 4100 = 20 + 0.9 + 0.04 = 20.94 (iii) We have 2 tens, 3 ones , 2 tenths and 6 thousandths. ∴ 23+ 210+ 61000= 23 +0.2 + 0.006 = 23.2006

Write each of the following as decimals:
(i) $\frac{8}{100}$
(ii) $20 + \frac{9}{10} + \frac{4}{100}$
(iii) $23 + \frac{2}{10} + \frac{6}{1000}$

(i) We have 8 hundredths.
∴ $\frac{8}{100}$ = 0.08

(ii) We have 2 tens, 9 tenths and 4 hundredths.
∴ $20 + \frac{9}{10} + \frac{4}{100} = 20 + 0.9 + 0.04$
= 20.94

(iii) We have 2 tens, 3 ones , 2 tenths and 6 thousandths.
∴ $23 + \frac{2}{10} + \frac{6}{1000} = 23 + 0.2 + 0.006$
= 23.2006