evaluate 8.3×7.7 complete solution
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Answered by
3
8.3×7.7
=(8.0+0.3)(8.0-0.3)
=(8.0)²-(0.3)² [∵, a²-b²=(a+b)(a-b)]
=64.00-0.09
=63.91
=(8.0+0.3)(8.0-0.3)
=(8.0)²-(0.3)² [∵, a²-b²=(a+b)(a-b)]
=64.00-0.09
=63.91
Answered by
0
Answer:
63.91
Step-by-step explanation:
8.3×7.7
=(8.0+0.3)(8.0-0.3)
=(8.0)²-(0.3)² [∵, a²-b²=(a+b)(a-b)]
=64.00-0.09
=63.91
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