Advertisements
Advertisements
प्रश्न
State whether the following rational number will have a terminating decimal expansion or a non-terminating repeating decimal expansion:
`64/455`
उत्तर
`64/455 = (64)/(5xx7xx13)`
Since the denominator has factors other than 2 and 5 it is a non terminating decimal.
APPEARS IN
संबंधित प्रश्न
Define rational numbers .
Classify the numbers 5.636363 as rational or irrational :
State whether the given statement is true or false:
1 . The product of two rationals is always rational
What can you say about the prime factorisations of the denominators of the following rationals: 43.123456789
Complete the missing entries in the following factor tree.
If p and q are two prime number, then what is their HCF?
Write down the decimal expansion of the following number which have terminating decimal expansion.
`15/1600`
Write down the decimal expansion of the following number which have terminating decimal expansion.
`129/(2^2xx5^7xx7^5)`
Write down the decimal expansion of the following number which have terminating decimal expansion.
`35/50`
The following real number have decimal expansions as given below. In the following case, decide whether it is rational or not. If it is rational, and of the form p/q what can you say about the prime factors of q?
`43.bar(123456789)`