Answer:
9639
Step-by-step explanation:
using the identity a²-b² = (a+b)(a-b)
Answer=9636
100²-19²
= (100+19)(100-19)
= 119*81
= 9639
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Answers & Comments
Answer:
9639
Step-by-step explanation:
using the identity a²-b² = (a+b)(a-b)
Answer=9636
100²-19²
= (100+19)(100-19)
= 119*81
= 9639