Question

-2.15 expressed as rotional numbers as​

Answer 1

Answer:

ok -2.15/1 this is your answer

Answer 2

Answer:

Let x = 2.15  

As there are two digit number before decimal point hence we will take two zeroes with one.So it will be 100 . And we will multiply 2.15 by 100.we get,

∴ 100 x = 215.15  

Now, subtract the equation no. (1) and (2) we get,

100 x = 215.15

- x = 2.15  

99 x = 213

x = 213/99

Therefore, the rational form of 2.15 is 213/99

Step-by-step explanation: