Advertisements
Advertisements
प्रश्न
State whether the following rational number will have a terminating decimal expansion or a non-terminating repeating decimal expansion:
`15/1600`
उत्तर
`15/1600 =3/320`
= `3/(2^6xx5)`
Since the denominator has only 2 and 5 as its factors it is a terminating decimal.
APPEARS IN
संबंधित प्रश्न
Classify the numbers 3.1416 as rational or irrational :
Classify the numbers `3. bar(142857)` as rational or irrational :
Write the decimal expansion of `73/ ((2^4×5^3))`
Write down the decimal expansions of the following rational numbers by writing their denominators in the form 2m × 5n, where, m, n are non-negative integers.\[\frac{7}{80}\]
What can you say about the prime factorisations of the denominators of the following rationals: 43.123456789
Write whether \[\frac{2\sqrt{45} + 3\sqrt{20}}{2\sqrt{5}}\]
on simplification gives a rational or an irrational number.
Write down the decimal expansion of the following number which have terminating decimal expansion.
`17/8`
Write down the decimal expansion of the following number which have terminating decimal expansion.
`29/343`
Find after how many places of decimal the decimal form of the number `27/(2^3. 5^4. 3^2)` will terminate.
Prime factors of the denominator of a rational number with the decimal expansion 44.123 are ______.