Evaluate without multiplying directly 102 × 98
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Answered by
6
Answer:
102 can be expressed as 100 +2 and 98 as 100-2
=(100+2)*(100-2)
=10000-4
=9996
Answered by
3
Given; 102 × 98
To Find; The multiplied number
Solution; this question can be easily solved by just writing the numbers in the form of 100
(100+2)(100-2)
(a+ b)(a-b)=a²-b²
100²-2²=10000-4=9996
Hence the result is 9996
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