a) \(\dfrac{1}{10}=0,1\)

\(\dfrac{1}{100}=0,01\)

\(\dfrac{1}{1000}=0,001\)

\(\dfrac{1}{10000}=0,0001\)

b) \(\dfrac{84}{10}=8,4\)

\(\dfrac{225}{100}=2,25\)

\(\dfrac{6453}{100}=64,53\)

\(\dfrac{25789}{10000}=2,5789\)

CTVHS là gì vậy ??

8,4

2,55

6,453

2,5789

nhớ check gùm tui nha

84/10=8,4       225/100=2,25            6453/1000=6,453         25789/10000=2,5789

8,4

2,25

6,453

2,5789

\(\dfrac{84}{10}=8,4\)

\(\dfrac{225}{100}=2,25\)

\(\dfrac{6453}{1000}=6,453\)

\(\dfrac{25789}{10000}=2,5789\)

2,4

2,25

6,453

2,4

2,25

6,453

2,5789

chọn đúng mk nhé

\(\frac{24}{10}\)=2,4

\(\frac{225}{100}\)=2,25

\(\frac{6453}{1000}\)=6,453

\(\frac{25789}{10000}\)=2,5789

5/100 = 0,05  ;  84/10 = 8,4  ;  225/100 = 2,25  ;  6453/1000 = 6,453

19/10 = 1\(\dfrac{9}{10}\)  ;  3623/100 =36 \(\dfrac{23}{100}\)  ;  12254/1000 =12 \(\dfrac{254}{1000}\)

Tick mik nhé

0,1: 0,01: 0,001:0,0001

\(\dfrac{1}{10}=0.1\)

\(\dfrac{1}{100}=0.01\)

\(\dfrac{1}{1000}=0.001\)

\(\dfrac{1}{10000}=0.0001\)

a) 0,1;0,01;0,001;0,0001

15/10 = 1,5

24/100 = 0,24

147/1000 = 0,147

25/1000 = 0,025

47/10 = 4,7

149/10000 = 0,0149

15/10 : 1,5

24/100 : 0,24

147/1000 : 0,147

25/1000 : 0,025

47/10 : 4,7

149/10000 : 0,0149

15/10 = 1.5 

24/100 = 0.24

147/1000= 0.147

25/1000 = 0.025 

47/10 = 4.7

149/10000 = 0.0149

Ta có : 

\(\frac{15}{10}=1,5\)

\(\frac{24}{100}=2,4\)

\(\frac{147}{1000}=0,147\)

\(\frac{25}{1000}=0,025\)

\(\frac{47}{10}=4,7\)

\(\frac{149}{10000}=0,0149\)

15/10 = 1,5;  24/100 = 0,24;   147/1000 = 0,147 ; 25/1000 = 0,025 ; 47/10 = 4,7 ; 149/10000 = 0,0149

\(\frac{15}{10}\)= 1,5

\(\frac{24}{100}\)= 0,24

\(\frac{147}{1000}\)= 0,147

\(\frac{25}{1000}\)= 0,025

\(\frac{47}{10}\) = 4,7

\(\frac{149}{10000}\)= 0,0149

\(\dfrac{15}{10}=1,5;\dfrac{35}{100}=0,35;\dfrac{107}{100}=1,07\)

\(\dfrac{22109}{1000}=22,109;\dfrac{14}{5}=\dfrac{28}{10}=2,8;\dfrac{920}{1000}=0,92\)

\(\dfrac{138}{100}=1,38;\dfrac{2007}{10}=200,7;\dfrac{1}{1000}=0,001\)

1,5

0,35

1,007

22,109

2,8

0,92

1,38

200,7

0,001