class 9 cbsc
chapter 1 , Number systems...
please solve both the questions and give me answer ....please....
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class 9 cbsc
chapter 1 , Number systems...
please solve both the questions and give me answer ....please....
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Answer:
if the denominator be 2 or 5 or both then it must have terminating decimal
Verified answer
Answer:
To represent rational number p/q (q≠0) in terminating decimal form it is necessary to choose denominator q such that it's prime factorisation must has only powers of 2 or powers of 5
for example:
(1). 7/16 is a terminating decimal because 16=2⁴
(2). 11/25 is a terminating decimal because 25 =5²
I hope it doubt is clear