Question

the smallest rational no. by which 1/3 should be multiplied so that it's decimal expansion terminates after one place of decimal, is (a) 1/10 (b) 3/10 (c) 3 (d) 30​

Answer 1

Answer:

b) 3/10

Step-by-step explanation:

we we can identify fraction that is it is terminating or non terminating by checking that the prime factorization of the denominator contains only factor 2 and 5