Question

use(a+b)2=a2+2ab +b2 to evalute the following (10.2)^2 (ii)(1003)
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Answer 1

Answer:

i) (10+0.2)^2=104.04 ii)(1000+3)^2=1006009

Step-by-step explanation:

i)10^2+0.2^2+2×10×0.2=100+0.04+4=104.04

ii)1000^2+3^2+2×1000×3=1000000+9+6000

=1006009