evaluat the following 6.3×6.4
pls answer is fast pls
and step by step pls
Answers
Answered by
1
Answer:
40.32
Step-by-step explanation:
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Answered by
1
Step-by-step explanation:
(6+0.3)(6+0.4)
(x+a)(x+b)=x^2+(a+b)x+ab
(6+0.3)(6+0.4)=6^2+(0.3+0.4)6+0.3X0.4
36+0.7X6+0.12
36+4.2+0.12
36+4.32
40.32
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