Advertisements
Advertisements
Question
Without doing any actual division, find which of the following rational numbers have terminating decimal representation : `17/40`
Advertisements
Solution
Given number is `17/40`
Since 40 = 2 x 2 x 2 x 5 = 23 x 51
I.e. 40 can be expressed as 2m x 5n
∴ `17/40` is convertible into the terminating decimal.
APPEARS IN
RELATED QUESTIONS
Write the following number in its decimal form.
`121/13`
Write the following rational number in decimal form.
`9/14`
Without doing any actual division, find which of the following rational numbers have terminating decimal representation:
`7/16`
Without doing any actual division, find which of the following rational numbers have terminating decimal representation : `123/250`
Write the denominator of the following rational numbers: `7/-15`
Separate positive and negative rational numbers from the following:
`(-3)/5 , 3/-5 , (-3)/(-5), 3/5 , 0 , (-13)/-3 , 15/-8 , (- 15)/8`
What should be added to `(-3)/32` to get `53/96`?
What should be subtracted from `(-4)/5` to get 1?
Convert the following fraction into a decimal :
`(-2)/(7)`
Write the following rational number in decimal form.
`17/8`
