Question

Can anybody give steps for these problems

Answer 1

Answer:

509

this is your answer dear

Answer 2

Answer:

Answer is given below

Step-by-step explanation:

1. (509)^2 = (500+9)^2

(500+9)^2 = 500^2 + 9^2 + 2*500*9

509^2 = 250000+81+9000

509^2 = 259081

2. (211)^2=(200+11)^2

(200+11)^2= 200^2+11^2+2*200*11

211^2=40000+121+4400

211^2 = 44521