Simplify (√0.7+√70)2
...Simplify (√0.7+√70)2
84.7
70.7
217.7
168.7
Correct answer is A
(√0.7+√70)2
= (√0.7+√70)(√0.7+√70)
= 0.7+2√0.7×70+70
= 0.7+14+70
= 84.7
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