1.

Use an identify to evaluate-i.)108×92 ii.) 998power of 2

Answer»

Solution:

1) 108*92

=(100+8) (100-8)

= 100^2- 8^2

= 10000-64

= 9936

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2) 998^2

= (1000- 2)^2

= 1000^2+2^2 - 2*1000*2

= 1000000+ 4 - 40000

= 960004

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