Question

1) Complete the activity to write rational number 0.7 in form.
a
Let x = 0.7
10x - ( ) = ( ) - ( )
= 7​

Answer 1

Answer:

let x=0.7

x=0.777..

multiply both side by 10,

10x=7.777

subtract both equations

10x-x=7-0

9x=7

x=7/9