Question

please step by step answer​

Answer 1

Answer:

first of all we write 310 in the form a+b,=300+10

Step-by-step explanation:

300+10

=300×300+2(300+10)+10×10

900+610+100

1610

Answer 2

Answer:

1. (I) (310)2

Step-by-step explanation:

310 can be written as 300+10

so,(310)2 =(300+10)2

Now,By using Identity (a+b)2=a2+2ab+b2

(300+10)2=(300)2+2(300)(10)+(10)2

90000+6000+100

96100

I hope this will help you