Evaluate 10÷√40-√20+√5,if √10=3.162and √5=2.236.
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Answer:
1.44
Step-by-step explanation:
10 - √40 - √20 + √5
10 - √10x4 - √5x4 + √5
But (√4 = 2)
Then, 10 - 2√10 - 2√5 + √5
10 - 2√10 - √5
Applying (√10 = 3.162, √5 = 2.236)
We'll have 10 - 2 x 3.162 - 2.236
= 10 - 6.324 - 2.236
= 1.44
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