Question

Using the identities evaluate the following a) (102)^2 b) (311)^2 c) (89)^2 d) 13x7 e) 12.5 x 11.5 f) 153 x 147 plz answer fast 40 points...........

Answer 1

Answer:

1. (100+2)^2=a^2+2ab+b^2
2. 100^2+2*100*2+2^2
3. 10000+400+4
4. 10404