question 15 answere it fast
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15 i) You can write 6.4 as 64/10 and you can even write it as 2*2*2*2*2*2/2*5
Here You can cancel out 2 from 2. You will be left with 2^5/5 So this is the answer.
(ii) You can write .08 as 8/100 you will proceed same as above and do these steps 8 = 2*2*2
100 = 2*5*2*5
8/100 means 2*2*2/2*5*2* 5
You will cancel out 2*2 fro both numerator and denominator you will be left with 2/25 and this is the answer
(iii) .15 = 3*5/2*5*2*5
Here you can see 5 common both in numerator and denominator
you will get your answer as 3/20
I will like you to try the others similarly in the same way
Here You can cancel out 2 from 2. You will be left with 2^5/5 So this is the answer.
(ii) You can write .08 as 8/100 you will proceed same as above and do these steps 8 = 2*2*2
100 = 2*5*2*5
8/100 means 2*2*2/2*5*2* 5
You will cancel out 2*2 fro both numerator and denominator you will be left with 2/25 and this is the answer
(iii) .15 = 3*5/2*5*2*5
Here you can see 5 common both in numerator and denominator
you will get your answer as 3/20
I will like you to try the others similarly in the same way
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