Answer :
Answer:
312599.1055
Step-by-step explanation:
647.17 squared is: 418764.2944
325.83 squared is: 106165.1889
418764.2944 -106165.1889
=312599.1055
Answer:
Step-by-step explanation:
a²-b²=(a+b)(a-b)
(647.17)²-(325.83)²=(647.17+325.83)(647.17-325.83)
=(973.00)(321.34)
=312663.82
