without actual divisuon ; check wheather 1/32 is (a)terminating(b)irrational number(c)rational(d)none of these
Answers
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Step-by-step explanation:
Given :-
1/32
To find :-
Check whether it is a terminating decimal or irrational or rational number
Solution :-
Given number = 1/32
Since , it is in the form of p/q , where p and q are integers and q ≠ 0 ,it is a rational number.
p = 1
q = 32
32 = 2×2×2×2×2 =2⁵
1/32 = 1/2⁵
The denominator is in the form of 2^m × 5^n
It is a terminating decimal.
Now,
on multiplying both numerator and denominator with 5⁵ then
(1/2⁵)×(5⁵/5⁵)
= (1×5⁵)/(2⁵×5⁵)
= 5⁵/(2×5)⁵
= 5⁵/10⁵
= 3125/10⁵
= 3125/100000
= 0.03125
It is a terminating decimal.
Answer :-
1/32 is a rational number.
1/32 is a terminating decimal number.
Used formulae:-
Let X is a rational number which is in the form of p/q , if q is in the form of 2^m × 5^n then it is a terminating decimal number.
Answered by
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PROVIDED INFORMATION :-
- without actual divisuon ; check wheather 1/32 is
QUESTION :-
- without actual divisuon ; check wheather 1/32 is (a)terminating(b)irrational number(c)rational(d)none of these
TO FIND :-
- check wheather 1/32 = ?
SOLUTION :-
when we will divide 1 by 32 we get :-
1/32 = 0.03125
the answer is 0.03125
so, it is rational option C is correct
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