Question

convert the following decimals into rational numbers:
a) 2.3​

Answer 1

Answer:

let x be : 2.3333333....

periodicity: 1

I mutilped both by 10 power 1

then

10x=23.3333.....

-x=2.3333.....

= 9x = 21

x= 21\9 then x= 7/3

Step-by-step explanation:

Mark me as a brainless

Answer 2

Let x=2.3
Let 10x=2.3X10
=23


Solving using elimination
x=2.3
-10x=23
—————-
-9x=20.7

x=20.7/9

x=20.3