Question

4. Which of the following squares have 9 at
their units place :
(a) 23²
(b) 37²
(c) 3423²
(d) all of these​

Answer 1

$\leadsto \sf \blue {(D)~All~of~the~above}$

All of the above is the answer !!

$\sf \bullet ~~23^2=529$

$\sf \bullet~~37^2=1369$

$\sf \bullet ~~3423^2=1,17,16,929$

Mark as Brainliest !!

Answer 2

Answer is All of these

a) 529

b) 1369

c) 11716929