find the square of each of the following numbers without actual multiplication. 76
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Answered by
25
Answer:(76)²= 5776
Step-by-step explanation: (76)²= ( 70 + 6 )² [ (a + b)²= a² +b² +2ab]
=(70)² + (6)² + 2 x 70 x 6
=4900 + 36 + 840
= 5776
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Answered by
0
Answer:
answer is 5776
Step-by-step explanation:
formula°=[(a+b)²=a²+b²+2ab]
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