Q : 4    Write each of the following as decimals.
(a)   \small 20+9+\frac{4}{10}+\frac{1}{100}     (b) \small 137+\frac{5}{100}     (c) \small \frac{7}{10}+\frac{6}{100}+\frac{4}{1000}
(d)   \small 23+\frac{2}{10}+\frac{6}{1000}             (e)   \small 700+20+5+\frac{9}{100}

Answers (1)

Writing the number in a decimal form:

 

 (a)

 \small 20+9+\frac{4}{10}+\frac{1}{100}=29+0.4+0.01=29.41    

(b)

\small 137+\frac{5}{100}=137+0.05=137.05     

(c)

 \small \frac{7}{10}+\frac{6}{100}+\frac{4}{1000}=0.7+0.06+0.004=0.764
(d)

 \small 23+\frac{2}{10}+\frac{6}{1000}=23+0.2+0.006=23.206             

(e) 

 \small 700+20+5+\frac{9}{100}=725+0.09=725.09

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