Question

evaluate the question by using identity
(998)^2
(6.3)^2
​

Answer 1

Step-by-step explanation:

(998)^2=998×998

=996004

(6.3)^2=6.3×6.3

=39.69

Answer 2

SOLUTION

=(998)^2

=(1000-2)^2

=(1000+2)(1000-2)

=996004

(6.3)^2

=(6+.3)^2

=(6^2)+(.3)^2+2(6)(.3)

=36+.9+2*1.8

=45+3.6

=48.6