Question

Plz...tomorrow is my BOARD EXAMINATION!!!!

Answer 1

Answer:

i too have board examination

a) yes his answer is correct

b) 17x2=34

34×2=68

68×2=136

hope this helps u please mark it as brainliest

Answer 2

Answer:

Refer below

Step-by-step explanation:

$a) Yes!\\\b)\\z=2\times17=34\\y=2\timesz=2\times34=68\\x=2\timesy=2\times68=136\\Hence \:proved!$