Question

please help me with this question​

Answer 1

Step-by-step explanation:

this is the right answer

Answer 2

253009

Step-by-step explanation:

$503^{2}$ = $(500+3)^{2}$

Now we know the identity,

$(a+b)^2=a^2+b^2+2ab$

Considering a = 500 and b = 3,

$(500+3)^{2}$

= $500^2 +3^2 +2*500*3$

$=250000+9+3000\\=253009$