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Q.

Is it true that 0.3 is the multiplicative inverse of 3 1 3   ?


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a

True

b

False 

answer is A.

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Detailed Solution

It is given 3 1 3  .
Applying the property of multiplicative inverse,
= 3×3+1 3  
= 10 3  
Verifying whether 3 1 3 ×0.3=1   satisfies the condition,
Number ×  Multiplicative inverse=1.
=3 1 3 ×0.3 = 10 3 × 3 10  
=1
Hence, 0.3 is the multiplicative inverse of 3 1 3   because the product of number and the multiplicative inverse of the number is equal to 1.
The given statement is true.
Correct option is 1.
 
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