Question

1. Without actually performing the long division, state whether the following rational numbers will have a terminating or a non-terminating repeating decimal expansion. i) 48 /455 (ii) 179/25 (iii) 42/2∧2 × 5×7

Answer 1

we can do this by the terminating decimals formula . if the denominator of a rational number is in the form of 2^m*5^n then it is terminating

i) non terminating

ii) terminating

iii) terminating